diff --git a/apps/addons/helpers.py b/apps/addons/helpers.py
index 890c36e61e..9424d6f9f4 100644
--- a/apps/addons/helpers.py
+++ b/apps/addons/helpers.py
@@ -57,10 +57,34 @@ def performance_note(context, amount, listing=False):
     return new_context(**locals())
 
 
+@register.inclusion_tag('addons/impala/performance_note.html')
+@jinja2.contextfunction
+def impala_performance_note(context, amount, listing=False):
+    return new_context(**locals())
+
+
 @register.inclusion_tag('addons/contribution.html')
 @jinja2.contextfunction
 def contribution(context, addon, text=None, src='', show_install=False,
-                 show_help=True):
+                 show_help=True, large=False):
+    """
+    Show a contribution box.
+
+    Parameters:
+        addon
+        text: The begging text at the top of the box.
+        src: The page where the contribution link is coming from.
+        show_install: Whether or not to show the install button.
+        show_help: Show "What's this?" link?
+    """
+    has_suggested = bool(addon.suggested_amount)
+    return new_context(**locals())
+
+
+@register.inclusion_tag('addons/impala/contribution.html')
+@jinja2.contextfunction
+def impala_contribution(context, addon, text=None, src='', show_install=False,
+                 show_help=True, large=False):
     """
     Show a contribution box.
 
diff --git a/apps/addons/models.py b/apps/addons/models.py
index e5955fc672..971ea3d3c5 100644
--- a/apps/addons/models.py
+++ b/apps/addons/models.py
@@ -346,7 +346,9 @@ class Addon(amo.models.OnChangeMixin, amo.models.ModelBase):
 
         return urls
 
-    def get_url_path(self):
+    def get_url_path(self, impala=False):
+        if impala:
+            return reverse('addons.i_detail', args=[self.slug])
         return reverse('addons.detail', args=[self.slug])
 
     def meet_the_dev_url(self):
diff --git a/apps/addons/templates/addons/impala/addon_grid.html b/apps/addons/templates/addons/impala/addon_grid.html
index 91580ce1a4..eb2f012bc3 100644
--- a/apps/addons/templates/addons/impala/addon_grid.html
+++ b/apps/addons/templates/addons/impala/addon_grid.html
@@ -6,7 +6,7 @@
   {% for addon in page %}
     <li>
       <div class="item">
-        <a href="{{ addon.get_url_path() }}">
+        <a href="{{ addon.get_url_path(impala=True) }}">
           <div class="icon">
             {% if first_page %}
               <img src="{{ addon.icon_url }}">
diff --git a/apps/addons/templates/addons/impala/contribution.html b/apps/addons/templates/addons/impala/contribution.html
new file mode 100644
index 0000000000..e908ac7ddc
--- /dev/null
+++ b/apps/addons/templates/addons/impala/contribution.html
@@ -0,0 +1,176 @@
+{% if addon.charity %}
+  {% set charity_url = addon.charity.outgoing_url %}
+  {% set charity_name = addon.charity.name %}
+{% endif %}
+
+<div class="notice c" id="contribution">
+  <div class="aux{% if show_install %}-bottom{% endif %}">
+    <div class="button-wrapper">
+      <a class="button contribute prominent" id="contribute-button"
+        href="{{ url('addons.contribute', addon.slug)|urlparams(src=src) }}">
+        <b></b>{{ _('Contribute') }}
+      </a>
+      {% if show_install %}
+        {# L10n: Click Contribute button OR Install button #}
+        <span class="continue">{{ _('or') }}</span>
+        {% set ver = version or None %}
+        {{ install_button(addon, version=ver, show_contrib=False) }}
+    {% endif %}
+
+    </div>{# /button-wrapper #}
+
+    <p class="suggestion">
+      {% if has_suggested %}
+        {% trans amt = addon.suggested_amount|currencyfmt('USD') %}
+          <b>{{ amt }}</b> suggested
+        {% endtrans %}
+      {% endif %}
+    </p>{# /suggestion #}
+  </div>{# /aux #}
+
+  <h3>{{ _('Enjoy this add-on?') }}</h3>
+  <p class="{% if show_install %}show-install{% endif %}">
+    {% if text %}
+      {{ text }}
+    {% elif not addon.charity %}
+      {{ _('The developer of this add-on asks that you help support its '
+           'continued development by making a small contribution.') }}
+    {% elif addon.charity_id == amo.FOUNDATION_ORG %}
+      {% trans %}
+        The developer of this add-on asks that you show your support
+        by making a donation to the <a href="{{ charity_url }}">{{ charity_name }}</a>.
+      {% endtrans %}
+    {% else %}
+      {% trans %}
+        The developer of this add-on asks that you show your support
+        by making a small contribution to <a href="{{ charity_url }}">{{ charity_name }}</a>.
+      {% endtrans %}
+    {% endif %}
+  </p>
+
+    <div id="contribute-box" class="jqmWindow">
+      <form action="{{ url('addons.contribute', addon.slug) }}" method="get">
+        <input type="hidden" name="source" value="{{ request.GET.get('src', src) }}"/>
+        <h2>{{ _('Make a Contribution') }}</h2>
+        <p class="support">
+          {% with addon_name=addon.name, paypal_url='http://paypal.com' %}
+            {% if not addon.charity %}
+              {% trans %}
+                Help support the continued development of
+                <strong>{{ addon_name }}</strong> by making a small contribution
+                through <a href="{{ paypal_url }}">Paypal</a>.
+              {% endtrans %}
+            {% elif addon.charity_id == amo.FOUNDATION_ORG %}
+              {% trans %}
+                To show your support for <b>{{ addon_name }}</b>, the developer asks
+                that you make a donation to the <a href="{{ charity_url }}">{{ charity_name }}</a>
+                through <a href="{{ paypal_url }}">Paypal</a>.
+              {% endtrans %}
+            {% else %}
+              {% trans %}
+                To show your support for <b>{{ addon_name }}</b>, the developer asks
+                that you make a small contribution to <a href="{{ charity_url }}">{{ charity_name }}</a>
+                through <a href="{{ paypal_url }}">Paypal</a>.
+              {% endtrans %}
+            {% endif %}
+          {% endwith %}
+        </p>
+
+        <h4>{{ _('How much would you like to contribute?') }}</h4>
+        <div class="error" id="contrib-too-much"
+             data-max-amount="{{ settings.MAX_CONTRIBUTION }}">
+            {{ _('The maximum contribution amount is {0}.')|f(
+               settings.MAX_CONTRIBUTION|currencyfmt('USD')) }}
+        </div>
+        <div class="error" id="contrib-too-little">
+            {{ _('The minimum contribution amount is {0}.')|f(
+               0.01|currencyfmt('USD')) }}
+        </div>
+        <div class="error" id="contrib-not-entered">
+            {{ _('Contribution amount must be a number.') }}
+        </div>
+        <div class="error" id="paypal-error">
+            {{ _('There was an error communicating with paypal. Please try again later.') }}
+        </div>
+        <ul>
+          {% if has_suggested %}
+          <li>
+            <input type="radio" name="type" value="suggested"
+                   id="contrib-suggested" checked="checked"/>
+            <label for="contrib-suggested">
+              {# L10n: {1} is a currency amount (e.g., $5.00) #}
+              {{ _('A one-time suggested contribution of {0}')|f(
+                addon.suggested_amount|currencyfmt('USD')) }}
+            </label>
+          </li>
+          {% endif %}
+          <li>
+            <input type="radio" name="type" value="onetime"
+                   id="contrib-onetime"
+                   {% if not has_suggested %}checked="checked"{% endif %}/>
+            <label>
+              {# L10n: {0} is a currency symbol (e.g., $),
+                       {1} is an amount input field #}
+              {{ _('A one-time contribution of {0} {1}')|f(
+                '$', '<input type="text" name="onetime-amount" value=""/>')|safe }}
+            </label>
+          </li>
+          {% if not settings.PAYPAL_USE_EMBEDDED %}
+          <li>
+            <input type="radio" name="type" value="monthly"
+                   id="contrib-monthly"/>
+            <label for="contrib-monthly">
+              {# L10n: {0} is a currency symbol (e.g., $),
+                       {1} is an amount input field #}
+              {{ _('A regular monthly contribution of {0} {1}')|f(
+                '$', '</label><input type="text" name="monthly-amount" value=""/>')|safe }}
+          </li>
+          {% endif %}
+        </ul>
+
+        <h4 class="comment">
+          <label for="contrib-comment">
+            {{ _('Leave a comment or request with your contribution.') }}
+          </label>
+        </h4><span>{{ _('(optional)') }}</span>
+        <textarea name="comment" id="contrib-comment"></textarea>
+        <span class="commentlen"></span>
+
+        <button id="contribute-confirm" type="submit" class="prominent">
+          {{ _('Make Contribution') }}
+        </button>
+        <span class="cancel"><a href="#">{{ _('No Thanks') }}</a></span>
+      </form>
+    </div>{# /contribute-box #}
+
+
+
+</div>{# /notification #}
+
+<div class="hidden">
+  <div id="contribute-why" class="popup">
+    <p class="msg">
+    {% if addon.charity %}
+        {% if addon.charity_id == amo.FOUNDATION_ORG %}
+            {% trans %}
+            The developer of this add-on would like you to consider making a
+            donation to the <a href="{{ charity_url }}">{{ charity_name }}</a>
+            if you enjoy using it.
+            {% endtrans %}
+        {% else %}
+            {% trans %}
+            The developer of this add-on would like you to consider making a
+            small contribution to <a href="{{ charity_url }}">{{ charity_name }}</a>
+            if you enjoy using it.
+            {% endtrans %}
+        {% endif %}
+    {% else %}
+        {% trans %}
+          Mozilla is committed to supporting a vibrant and healthy developer
+          ecosystem. Your optional contribution helps sustain further development
+          of this add-on.
+        {% endtrans %}
+      {% endif %}
+    </p>
+  </div>
+</div>
diff --git a/apps/addons/templates/addons/impala/details.html b/apps/addons/templates/addons/impala/details.html
new file mode 100644
index 0000000000..d14bbc6f80
--- /dev/null
+++ b/apps/addons/templates/addons/impala/details.html
@@ -0,0 +1,210 @@
+{% extends "impala/base.html" %}
+
+{% block title %}{{ page_title(addon.name) }}{% endblock %}
+{% block js %}{% include("amo/recaptcha_js.html") %}{% endblock %}
+{% block bodyclass %}gutter{% endblock %}
+
+{% block extrahead %}
+  {% if settings.ENGAGE_ROBOTS and addon.status == amo.STATUS_UNREVIEWED %}
+    <meta name="robots" content="noindex">
+  {% endif %}
+  {% for preview in addon.all_previews %}
+    <link rel="prefetch" href="{{ preview.image_url }}">
+  {% endfor %}
+{% endblock %}
+
+{% block content %}
+{{ impala_breadcrumbs([(addon.type_url(), amo.ADDON_TYPES[addon.type]),
+                (None, addon.name)]) }}
+
+<aside class="secondary addon-vitals">
+  {{ addon.average_rating|stars(large=True) }}
+  <div><a href="#reviews">{{ _('{0} user reviews')|f(addon.total_reviews|numberfmt) }}</a></div>
+  <div>{{ _('<b>{0}</b> active users')|f(addon.average_daily_users|numberfmt)|safe }}</div>
+  <div class="widgets">
+    {{ favorites_widget(addon) }}
+    {% include 'addons/includes/collection_add_widget.html' %}
+    {{ sharing_widget(addon) }}
+  </div>
+</aside>
+
+{% set version = addon.current_version %}
+<section class="primary">
+  <div id="addon" class="island c" role="main" data-id="{{ addon.id }}">
+    <hgroup>
+      <img src="{{ addon.get_icon_url(64) }}" class="icon">
+      <h2 class="addon"{{ addon.name|locale_html }}>
+        {{ addon.name }}
+        <span class="version">{{ version.version }}</span>
+      </h2>
+      <h4 class="author">{{ _('by') }} {{ users_list(addon.listed_authors) }}</h4>
+    </hgroup>
+    <p{{ addon.summary|locale_html }}>{{ addon.summary|nl2br }}</p>
+    {{ big_install_button(addon, show_warning=False) }}
+  </div>
+
+  {% if settings.PERF_THRESHOLD and addon.ts_slowness >= settings.PERF_THRESHOLD %}
+    {{ impala_performance_note(amount=addon.ts_slowness) }}
+  {% endif %}
+
+  {% if addon.takes_contributions %}
+    {{ impala_contribution(addon=addon, src='addon-detail') }}
+  {% endif %}
+
+</section>
+
+{% if addon.type != amo.ADDON_PERSONA %}
+  {% if addon.all_previews|length > 0 %}
+    <section class="previews carousel">
+      <a href="#" class="control prev">&laquo;</a>
+      <a href="#" class="control next">&raquo;</a>
+      <ul class="slider">
+        {%- for preview in addon.all_previews -%}
+          <li class="panel">
+            <a class="screenshot thumbnail" rel="jquery-lightbox"
+               href="{{ preview.image_url }}" title="{{ preview.caption }}">
+              <img src="{{ preview.thumbnail_url }}">
+            </a>
+          </li>
+        {%- endfor -%}
+      </ul>
+    </section>
+  {% endif %}
+{% endif %}
+
+{% if addon.description %}
+  <section class="primary island">
+    <h2>About this Add-on</h2>
+    <p{{ addon.description|locale_html }}>{{ addon.description|nl2br }}</p>
+  </section>
+{% endif %}
+
+{# addon recommendations #}
+{% if recommendations %}
+  <section class="primary island">
+    <h2 class="compact-bottom">{{ _('Often used with&hellip;')|safe }}</h2>
+    {{ recommendations|addon_grid }}
+  </section>
+{% endif %}
+{# /recommendations #}
+
+{% if author_addons %}
+  <section class="primary island">
+    <h2>
+      {% trans count = addon.listed_authors|length,
+               author = users_list(addon.listed_authors) %}
+        Other add-ons by {{ author }}
+      {% pluralize %}
+        Other add-ons by these authors
+      {% endtrans %}
+    </h2>
+    {{ author_addons|addon_grid }}
+  </section>
+{% endif %}
+
+<div class="secondary" role="navigation">
+
+  {% if addon.has_profile() and addon.listed_authors %}
+  <div class="highlight">
+    {% with single_dev = addon.listed_authors|random %}
+      <h3 class="compact-bottom">
+        {% trans count=addon.listed_authors|length %}
+        Meet the Developer
+        {% pluralize %}
+        Meet the Developers
+        {% endtrans %}
+      </h3>
+      <img class="avatar" alt="{{ single_dev.name }}" height="64"
+           width="64" src="{{ single_dev.picture_url }}"/>
+      <p>{{ _("Learn why {0} was created and find out what's next for this "
+              'add-on.')|f(addon.name) }}</p>
+      <p>
+        <a class="more-info" href="{{ addon.meet_the_dev_url() }}">
+        {% if addon.listed_authors|length > 1 %}
+          {{ _('Meet the Developers') }}
+        {% else %}
+          {{ _('Meet {0}')|f(single_dev.name) }}
+        {% endif %}
+        </a>
+      </p>
+    {% endwith %}
+  </div>
+  {% endif %}{# /meet the devs #}
+
+  {# categories and other add-ons #}
+  {% with categories = addon.categories.filter(application=APP.id) %}
+    {% if categories or author_addons %}
+    <div class="highlight">
+      {% if categories %}
+        <ul>
+          {# TODO reverse URL #}
+          {% for category in categories %}
+          <li>
+            <a href="{{ category.get_url_path() }}" class="more-info">
+              {# L10n: {0} is the name of a category #}
+              {{ _('See All {0} Add-ons')|f(category) }}
+            </a>
+          </li>
+          {% endfor %}
+        </ul>
+      {% endif %}
+    </div>
+    {% endif %}
+  {% endwith %}
+  {# /categories #}
+
+  {# support box #}
+  {% if addon.support_email or addon.support_url or addon.has_satisfaction %}
+  <div id="support" class="highlight">
+    <h3 class="compact-bottom">{{ _('Need help with this add-on?') }}</h3>
+    <ul class="xoxo">
+      {% if addon.has_satisfaction %}
+        {# get satisfaction only supports en-US so no L10n here #}
+        <li>Ask others on
+          <a href="#" id="feedback_btn" class="feedback_btn"
+            data-company="{{ addon.get_satisfaction_company }}"
+            data-product="{{ addon.get_satisfaction_product }}"
+             >Get Satisfaction</a>
+        </li>
+      {% endif %}
+      {% if addon.support_email %}
+        <li>{{ emaillink(addon.support_email.localized_string,
+                         _('E-mail your question')) }}</li>
+      {% endif %}
+      {% if addon.support_url %}
+        <li><a href="{{ addon.support_url|external_url }}">{{
+          _('Visit the support site') }}</a></li>
+      {% endif %}
+    </ul>
+
+    {% if addon.has_satisfaction %}
+    <div id="get_satisfaction_container"></div>
+    {% endif %}
+
+  </div>
+  {% endif %}
+  {# /support #}
+
+  {{ tags_box(addon=addon, tags=tags) }}
+
+  {# related collections #}
+  <div class="collections-add">
+    <h3 class="compact-bottom">{{ _('Related Collections') }}</h3>
+
+    {% if not collections %}
+      <p>{{ _('This add-on is not yet in any collections.') }}</p>
+    {% else %}
+      <ul class="addon-collections">
+        {% for coll in collections %}
+        <li><a href="{{ coll.get_url_path() }}"
+               class="collectionitem">{{ coll.name }}</a></li>
+        {% endfor %}
+      </ul>
+    {% endif %}
+
+  </div>
+  {# /collections #}
+
+</div>{# /secondary #}
+
+{% endblock content %}
diff --git a/apps/addons/templates/addons/impala/performance_note.html b/apps/addons/templates/addons/impala/performance_note.html
new file mode 100644
index 0000000000..fe03b4d103
--- /dev/null
+++ b/apps/addons/templates/addons/impala/performance_note.html
@@ -0,0 +1,30 @@
+{% if request.APP == amo.FIREFOX %}
+{% if listing %}
+  <div class="performance-note">
+    {{ _('This add-on can slow down Firefox.') }}
+    &nbsp;<a href="#">{{ _('More&hellip;')|safe }}</a>
+    <div class="popup warning hidden">
+      <p class="msg">
+        {% trans amount=amount|int %}
+          <b>Performance warning:</b> Installing this add-on can slow down
+          Firefox's start-up by <b>{{ amount }}%</b>.
+        {% endtrans %}
+      </p>
+      <p>
+        <a href="{{ url('perf.index' )}}">{{ _('Learn more&hellip;')|safe }}</a>
+      </p>
+    </div>
+  </div>
+{% else %}
+  <div class="notice performance-note">
+    <h3>{{ _('This add-on can slow down Firefox.') }}</h3>
+    <p>
+      {% trans amount=amount|int %}
+        Installing this add-on can slow down
+        Firefox's start-up by <b>{{ amount }}%</b>.
+      {% endtrans %}
+      <a href="{{ url('perf.index' )}}">{{ _('Learn more&hellip;')|safe }}</a>
+    </p>
+  </div>
+{% endif %}
+{% endif %}
diff --git a/apps/addons/urls.py b/apps/addons/urls.py
index c608ed84bb..b4d7fad8cb 100644
--- a/apps/addons/urls.py
+++ b/apps/addons/urls.py
@@ -46,6 +46,8 @@ urlpatterns = patterns('',
 
     # URLs for a single add-on.
     ('^addon/%s/' % ADDON_ID, include(detail_patterns)),
+    # Impala deets.
+    url('^i/addon/%s/$' % ADDON_ID, views.impala_addon_detail, name='addons.i_detail'),
 
     # Accept extra junk at the end for a cache-busting build id.
     url('^addons/buttons.js(?:/.+)?$', 'addons.buttons.js'),
diff --git a/apps/addons/views.py b/apps/addons/views.py
index 1c7364b6d7..02ed969a30 100644
--- a/apps/addons/views.py
+++ b/apps/addons/views.py
@@ -87,6 +87,33 @@ def addon_detail(request, addon):
                 'addons.detail', args=[addon.slug]))
 
 
+@author_addon_clicked
+@addon_view
+def impala_addon_detail(request, addon):
+    """Add-ons details page dispatcher."""
+    # addon needs to have a version and be valid for this app.
+    if addon.type in request.APP.types:
+        if addon.type == amo.ADDON_PERSONA:
+            return persona_detail(request, addon)
+        else:
+            if not addon.current_version:
+                raise http.Http404
+
+            return impala_extension_detail(request, addon)
+    else:
+        # Redirect to an app that supports this type.
+        try:
+            new_app = [a for a in amo.APP_USAGE if addon.type
+                       in a.types][0]
+        except IndexError:
+            raise http.Http404
+        else:
+            prefixer = urlresolvers.get_url_prefix()
+            prefixer.app = new_app.short
+            return http.HttpResponsePermanentRedirect(reverse(
+                'addons.i_detail', args=[addon.slug]))
+
+
 def extension_detail(request, addon):
     """Extensions details page."""
 
@@ -140,6 +167,59 @@ def extension_detail(request, addon):
     return jingo.render(request, 'addons/details.html', data)
 
 
+def impala_extension_detail(request, addon):
+    """Extensions details page."""
+
+    # if current version is incompatible with this app, redirect
+    comp_apps = addon.compatible_apps
+    if comp_apps and request.APP not in comp_apps:
+        prefixer = urlresolvers.get_url_prefix()
+        prefixer.app = comp_apps.keys()[0].short
+        return http.HttpResponsePermanentRedirect(reverse(
+            'addons.detail', args=[addon.slug]))
+
+    # source tracking
+    src = request.GET.get('src', 'addondetail')
+
+    # get satisfaction only supports en-US
+    lang = translation.to_locale(translation.get_language())
+    addon.has_satisfaction = (lang == 'en_US' and
+                              addon.get_satisfaction_company)
+
+    # other add-ons from the same author(s)
+    author_addons = order_by_translation(addon.authors_other_addons, 'name')
+
+    # tags
+    tags = addon.tags.not_blacklisted()
+
+    # addon recommendations
+    recommended = MiniAddon.objects.valid().filter(
+        recommended_for__addon=addon)[:5]
+
+    # popular collections this addon is part of
+    collections = Collection.objects.listed().filter(
+        addons=addon, application__id=request.APP.id)
+
+    data = {
+        'addon': addon,
+        'author_addons': author_addons,
+
+        'src': src,
+        'tags': tags,
+
+        'recommendations': recommended,
+        'review_form': ReviewForm(),
+        'reviews': Review.objects.latest().filter(addon=addon),
+        'get_replies': Review.get_replies,
+
+        'collections': collections.order_by('-subscribers')[:3],
+    }
+    if settings.REPORT_ABUSE:
+        data['abuse_form'] = AbuseForm(request=request)
+
+    return jingo.render(request, 'addons/impala/details.html', data)
+
+
 @mobilized(extension_detail)
 def extension_detail(request, addon):
     return jingo.render(request, 'addons/mobile/details.html',
diff --git a/apps/amo/helpers.py b/apps/amo/helpers.py
index 3a839e8e20..e9484ebc05 100644
--- a/apps/amo/helpers.py
+++ b/apps/amo/helpers.py
@@ -252,6 +252,32 @@ def breadcrumbs(context, items=list(), add_default=True, crumb_size=40):
     return jinja2.Markup(t)
 
 
+@register.function
+@jinja2.contextfunction
+def impala_breadcrumbs(context, items=list(), add_default=True, crumb_size=40):
+    """
+    show a list of breadcrumbs. If url is None, it won't be a link.
+    Accepts: [(url, label)]
+    """
+    if add_default:
+        app = context['request'].APP
+        crumbs = [(urlresolvers.reverse('home'), page_name(app))]
+    else:
+        crumbs = []
+
+    # add user-defined breadcrumbs
+    if items:
+        try:
+            crumbs += items
+        except TypeError:
+            crumbs.append(items)
+
+    crumbs = [(url, truncate(label, crumb_size)) for (url, label) in crumbs]
+    c = {'breadcrumbs': crumbs}
+    t = env.get_template('amo/impala/breadcrumbs.html').render(**c)
+    return jinja2.Markup(t)
+
+
 @register.filter
 def json(s):
     return jsonlib.dumps(s)
diff --git a/apps/amo/templates/amo/impala/breadcrumbs.html b/apps/amo/templates/amo/impala/breadcrumbs.html
new file mode 100644
index 0000000000..0d2899cbf8
--- /dev/null
+++ b/apps/amo/templates/amo/impala/breadcrumbs.html
@@ -0,0 +1,15 @@
+{% if breadcrumbs %}
+<nav id="breadcrumbs">
+  <ol>
+  {% for target, label in breadcrumbs %}
+    <li>
+    {% if target %}
+      <a href="{{ target }}">{{ label }}</a>
+    {% else %}
+      <span>{{ label }}</span>
+    {% endif %}
+    </li>
+  {% endfor %}
+  </ol>
+</nav>
+{% endif %}
diff --git a/apps/amo/templates/amo/site_nav.html b/apps/amo/templates/amo/site_nav.html
index d64fc1193d..950d2aece0 100644
--- a/apps/amo/templates/amo/site_nav.html
+++ b/apps/amo/templates/amo/site_nav.html
@@ -18,7 +18,7 @@
   </li>
 {% endmacro %}
 
-<nav id="site-nav" class="c">
+<nav id="site-nav" class="menu-nav c">
   <ul>
     {{ section(_('Extensions'), url('browse.extensions'), extras, extensions) }}
     {{ section(_('Personas'), url('browse.personas'), extras, personas) }}
diff --git a/apps/reviews/helpers.py b/apps/reviews/helpers.py
index a901dac8b3..e7a294b4fb 100644
--- a/apps/reviews/helpers.py
+++ b/apps/reviews/helpers.py
@@ -5,7 +5,7 @@ from tower import ugettext as _
 
 
 @jingo.register.filter
-def stars(num):
+def stars(num, large=False):
     # check for 0.0 incase None was cast to a float. Should
     # be safe since lowest rating you can give is 1.0
     if num is None or num == 0.0:
@@ -15,8 +15,9 @@ def stars(num):
         rating = '<span itemprop="rating">%s</span>' % num
         title = _('Rated %s out of 5 stars') % num
         msg = _('Rated %s out of 5 stars') % rating
-        s = (u'<span class="stars stars-{num}" title="{title}">{msg}</span>'
-             .format(num=num, title=title, msg=msg))
+        size = 'large' if large else ''
+        s = (u'<span class="stars {size} stars-{num}" title="{title}">{msg}</span>'
+             .format(num=num, size=size, title=title, msg=msg))
         return jinja2.Markup(s)  # Inspected by #10
 
 
diff --git a/apps/stats/templates/stats/overview.html b/apps/stats/templates/stats/overview.html
index 59cb88e361..cff8f05e01 100644
--- a/apps/stats/templates/stats/overview.html
+++ b/apps/stats/templates/stats/overview.html
@@ -37,7 +37,7 @@
           <div class="piechart"></div>
           <table data-report="apps" data-field="applications">
           </table>
-          <a href="apps/">{{ _('See More Applications...') }}</a>
+          <a href="apps/">{{ _('See more applications&hellip;') }}</a>
         </div>
       </div>
       <div class="toplist loading">
@@ -46,7 +46,7 @@
           <div class="piechart"></div>
           <table data-report="locales" data-field="locales">
           </table>
-          <a href="locales/">{{ _('See More languages...') }}</a>
+          <a href="locales/">{{ _('See more languages&hellip;') }}</a>
         </div>
       </div>
       <div class="toplist loading">
@@ -55,7 +55,7 @@
           <div class="piechart"></div>
           <table data-report="os" data-field="oses">
           </table>
-          <a href="os/">{{ _('See more operating systems...') }}</a>
+          <a href="os/">{{ _('See more operating systems&hellip;') }}</a>
         </div>
       </div>
     </div>
diff --git a/media/css/impala/addon_details.less b/media/css/impala/addon_details.less
new file mode 100644
index 0000000000..fb929df3cb
--- /dev/null
+++ b/media/css/impala/addon_details.less
@@ -0,0 +1,140 @@
+@import 'lib';
+
+#addon {
+    font-size: 1.2em;
+    padding: 20px 20px 20px 104px;
+    .icon {
+        position: absolute;
+        top: 20px;
+        left: 20px;
+        margin: 0 12px 1em 0;
+    }
+    h2 {
+        font-size: 24px;
+    }
+}
+
+.version {
+    color: #999;
+}
+
+.notice {
+    .border-radius(5px);
+    padding: 1em 1em 1em 104px;
+    background: #ECF5FE;
+    margin-bottom: 1em;
+    h3 {
+        font-style: italic;
+        font-size: 16px;
+    }
+    p {
+        margin-top: .5em;
+    }
+    b {
+        color: #333;
+    }
+}
+
+.notice.performance-note {
+    background: url("../../img/impala/turtle.png") no-repeat 28px 16px #FFF8DC;
+}
+
+.addon-vitals {
+    padding-top: 1em;
+    font-size: 16px;
+    line-height: 1.4em;
+    div {
+        margin-top: 4px;
+    }
+    .widgets {
+        margin-top: 23px;
+        font-size: 14px;
+        .widget {
+            color: #999;
+            display: block;
+        }
+    }
+}
+
+.widget {
+    padding-left: 21px;
+    background: url(../../img/impala/widgets.png) no-repeat 0 4px;
+    &:hover {
+        color: @link;
+    }
+    &.favorite {
+        &.faved {
+            .sprite-pos(2, 20, 4px);
+        }
+        &:hover {
+            .sprite-pos(1, 20, 4px);
+        }
+    }
+    &.collection-add {
+        .sprite-pos(3, 20, 4px);
+        &:hover {
+            .sprite-pos(4, 20, 4px);
+        }
+    }
+    &.share {
+        .sprite-pos(5, 20, 4px);
+        &:hover {
+            .sprite-pos(6, 20, 4px);
+        }
+    }
+    &.ajax-loading {
+        background: url(../../img/zamboni/loading-white.gif) no-repeat 0 2px !important;
+    }
+}
+
+#contribution {
+    .aux {
+        float: right;
+        text-align: center;
+        margin: 0 1em;
+        p {
+            font-size: 11px;
+        }
+    }
+    #contribute-box {
+        display: none;
+    }
+}
+
+.previews {
+    overflow: hidden;
+    position: relative;
+    margin: 2em 0;
+    padding: 0 5%;
+    .panel {
+        width: 100% / 3;
+        a {
+            display: block;
+            text-align: center;
+        }
+    }
+    .control {
+        font-size: 
+        display: block;
+        position: absolute;
+        height: 100%;
+        width: 5%;
+        text-decoration: none;
+        font-size: 48px;
+        font-family: @serif-stack;
+        text-align: center;
+        line-height: 140px;
+        background: rgba(255,255,255,.5);
+        top: 0;
+        z-index: 100;
+        &.next {
+            right: 0;
+        }
+        &.prev {
+            left: 0;
+        }
+        &.disabled {
+            color: #ccc;
+        }
+    }
+}
\ No newline at end of file
diff --git a/media/css/impala/buttons.less b/media/css/impala/buttons.less
new file mode 100644
index 0000000000..e231599fec
--- /dev/null
+++ b/media/css/impala/buttons.less
@@ -0,0 +1,106 @@
+@import 'lib';
+
+.button {
+    display: inline-block;
+    position: relative;
+    font-size: 13px;
+    padding: 5px 10px 7px;
+    font-family: @head-sans;
+    font-weight: bold;
+    line-height: 1;
+    text-align: center;
+    text-decoration: none;
+    color: #fff;
+    .gradient-two-color(#669BE1, #5784BF);
+    text-shadow: 0 1px 0 rgba(0,0,0,.5);
+    .border-radius(6px);
+    .box-shadow(0 1px rgba(0, 0, 0, 0.1), 0 -2px rgba(0, 0, 0, 0.1) inset);
+    &.prominent {
+        padding: 8px 16px 12px;
+        font-size: 16px;
+        .box-shadow(0 3px rgba(0, 0, 0, 0.1), 0 -4px rgba(0, 0, 0, 0.1) inset);
+    }
+    &.add {
+        .gradient-two-color(#84C63C, #489615);
+        color: #fff;
+        span {
+            padding-left: 16px;
+            background: url(../../img/impala/button-icons.png) no-repeat 0 3px;
+        }
+        &.prominent {
+            span {
+                padding-left: 24px;
+                .sprite-pos(3, 64, 3px);
+            }
+            &.disabled span {
+                .sprite-pos(4, 64, 3px);
+            }
+            &.warning span {
+                .sprite-pos(5, 64, 3px);
+            }
+        }
+        &.warning {
+            background: url(../../img/impala/warning-bg.png);
+            color: #333;
+            text-shadow: 0 -1px 0 rgba(255,255,255,.5);
+            top: 0;
+            span {
+                .sprite-pos(2, 64, 3px);
+            }
+        }
+        &.disabled {
+            .gradient-two-color(#d1d4d7, #c1c5ca);
+            color: #919497;
+            .box-shadow(0 3px rgba(0, 0, 0, 0.05), 0 -4px rgba(0, 0, 0, 0.05) inset);
+            text-shadow: 0 1px 0 rgba(255,255,255,.5);
+            top: 0;
+            span {
+                .sprite-pos(1, 64, 3px);
+            }
+        }
+    }
+    &.contribute {
+        &.prominent b {
+            background: url(../../img/impala/button-icons.png) no-repeat;
+            padding-left: 24px;
+            margin-left: -4px;
+            .sprite-pos(7, 64, 3px);
+        }
+    }
+    &.developer {
+        background: -moz-linear-gradient(#f84b4e, #bc2b1a);
+        color: #fff;
+        span {
+            margin-left: -4px;
+            padding-left: 24px;
+            .sprite-pos(6, 64, 3px);
+        }
+    }
+}
+.button:hover,
+.button:focus,
+.button:active,
+.button.selected {
+    text-decoration: none;
+    .box-shadow(0 3px rgba(0, 0, 0, 0.1), 0 -4px rgba(0, 0, 0, 0.1) inset, 0 0 100px rgba(255, 255, 255, 0.2) inset);
+}
+
+.button:active,
+.button.selected {
+    top: 2px;
+    .box-shadow(0 1px rgba(0, 0, 0, 0.1), 0 -4px rgba(0, 0, 0, 0.1) inset, 0 0 100px rgba(255, 255, 255, 0.2) inset);
+}
+
+.button.small:hover,
+.button.small:focus,
+.button.small:active,
+.button.small.selected {
+    .box-shadow(0 1px rgba(0, 0, 0, 0.1), 0 -2px rgba(0, 0, 0, 0.1) inset, 0 0 100px rgba(255, 255, 255, 0.2) inset);
+}
+
+.button.small:active,
+.button.small.selected {
+    top: 2px;
+    .box-shadow(0 0px rgba(0, 0, 0, 0.1), 0 -2px rgba(0, 0, 0, 0.1) inset, 0 0 100px rgba(255, 255, 255, 0.2) inset);
+}
+
diff --git a/media/css/impala/carousel.less b/media/css/impala/carousel.less
index e30f4f93f5..ce04ef76ee 100644
--- a/media/css/impala/carousel.less
+++ b/media/css/impala/carousel.less
@@ -1,7 +1,7 @@
 @import 'lib';
 
 .pager {
-    font-family: @head-serif;
+    font-family: @serif-stack;
     display: block;
     .prev, .next {
         height: 20px;
@@ -50,4 +50,27 @@
 }
 .html-rtl .island .pager {
     float: left;
-}
\ No newline at end of file
+}
+
+.slider {
+    white-space: nowrap;
+    position: relative;
+    left: 0;
+    -moz-transition-duration: .3s;
+    -moz-transition-property: left, right;
+    -webkit-transition-duration: .3s;
+    -webkit-transition-property: left, right;
+}
+
+.slider.noslide {
+    -moz-transition: none;
+    -webkit-transition: none;
+}
+
+.slider > li {
+    width: 100%;
+    white-space: normal;
+    display: inline-block;
+    vertical-align: top;
+    top: 0;
+}
diff --git a/media/css/impala/footer.less b/media/css/impala/footer.less
new file mode 100644
index 0000000000..e3f3d97f68
--- /dev/null
+++ b/media/css/impala/footer.less
@@ -0,0 +1,136 @@
+.sunbird,
+.seamonkey,
+.thunderbird,
+.editor-tools,
+.developer-hub {
+    #footer {
+        #footer-logo {
+            display: none;
+        }
+        #copyright {
+            clear: none;
+            padding-top: 20px;
+        }
+    }
+}
+
+#footer {
+    background: #33559b url(../../img/zamboni/global/bg-footer.png) 0 0 repeat-x;
+    padding: 123px 0 5px 0;
+    .section {
+        max-width: 960px;
+        margin: 0 auto;
+        position: relative;
+    }
+    line-height: 20px;
+}
+
+#footer-logo a,
+#footer-logo a:link,
+#footer-logo a:visited {
+    background: url(../../img/zamboni/global/header-logos.png) 15px 0 no-repeat;
+}
+
+#footer-logo a:hover,
+#footer-logo a:active {
+    background: -moz-radial-gradient(center 45deg, ellipse closest-side, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 100%),
+url(../../img/zamboni/global/header-logos.png) 15px 0 no-repeat;
+}
+
+#footer-contents[dir="rtl"] {
+    text-align: right;
+}
+
+#copyright {
+    margin-left: 17px;
+}
+
+.footerlogo {
+    position: absolute;
+    right: 25px;
+    top: -64px;
+}
+
+.html-rtl .footerlogo {
+    right: auto;
+    left: 25px;
+}
+
+.developer-hub .footerlogo {
+    right: -10px;
+    top: -70px;
+}
+
+.html-rtl.developer-hub .footerlogo {
+    right: auto;
+    left: -10px;
+}
+
+#footer .section {
+    min-height: 0;
+    padding-bottom: 20px;
+}
+
+#footer-content {
+    margin-top: 10px;
+}
+
+#footer-logo {
+    margin-left: 3px;
+    width: 10%;
+}
+#footer-menu {
+    display: table;
+    width: 70%;
+    ul {
+        display: table-row;
+    }
+    li {
+        display: table-cell;
+        width: 10%;
+        padding: 11px 16px 0 0;
+        float: none;
+    }
+}
+
+.footer-devhub-link {
+    width: 25%;
+}
+
+#social-footer {
+    height: 68px;
+    margin-bottom: 4px;
+    display: table;
+    font-size: 18px;
+    font-style: italic;
+    width: 80%;
+    color: white;
+    a:after {
+        content: ' \00bb';
+    }
+    a:link,
+    a:visited {
+        color: white;
+    }
+    ul {
+        display: table-row;
+        li {
+            display: table-cell;
+            vertical-align: middle;
+            text-align: center;
+            &:first-child {
+                line-height: 1.2em;
+                font-size: 17px;
+                width: 128px;
+            }
+            b {
+                display: block;
+                font-family: MetaBlack;
+                font-style: normal;
+                font-size: 22px;
+                text-transform: uppercase;
+            }
+        }
+    }
+}
+
diff --git a/media/css/impala/header.less b/media/css/impala/header.less
index 20e05dcc12..4cdb34cf70 100644
--- a/media/css/impala/header.less
+++ b/media/css/impala/header.less
@@ -11,11 +11,10 @@
     .gradient-two-color(#FCFDFE, #F4F8FC);
     border: 1px solid #C9DDF2;
     .border-radius(5px);
-    .box-shadow(0 -2px 0 rgba(204, 223, 243, 0.3) inset, 0 0 2px rgba(0, 0, 0, 0.1));
+    .box-shadow(0 -2px 0 rgba(204, 223, 243, 0.3) inset, 0 0 1px rgba(0, 0, 0, 0.1));
     display: block;
     margin-bottom: 15px;
     padding: 14px 14px 16px;
-    float: left;
 }
 
 #masthead {
@@ -30,14 +29,7 @@
     float: left;
 }
 
-#aux-nav .context,
-#aux-nav ul {
-    background: -moz-linear-gradient(#9FA7AF, fadeout(#9FA7AF, 100%)) no-repeat left top;
-    background-size: 1px 100%;
-    display: inline-block;
-    height: 32px;
-    line-height: 32px;
-    padding: 0 1em;
+#aux-nav {
 }
 
 .site-title img {
@@ -59,7 +51,7 @@
 
 /** site navigation */
 
-#site-nav {
+.menu-nav {
     font-size: 12px;
     margin-left: 64px;
     z-index: 50;
@@ -68,15 +60,10 @@
         > li {
             float: left;
             position: relative;
-            border-left: 1px solid #9FA7AF;
-            left: -9px;
             > a {
                 position: relative;
                 font-weight: bold;
-                text-transform: uppercase;
                 z-index: 60;
-                padding: 4px 8px;
-                line-height: 12px;
                 border-style: solid;
                 .border-radius(3px 3px 0 0);
                 border-color: transparent;
@@ -93,7 +80,7 @@
                 }
                 &:after {
                     content: "";
-                    width: 100px;
+                    width: 160px;
                     z-index: 62;
                     height: 5px;
                     background: #fff;
@@ -102,9 +89,6 @@
                     left: 1px;
                 }
             }
-            &:first-child {
-                border: 0;
-            }
             > ul {
                 width: 190px;
                 position: absolute;
@@ -147,7 +131,7 @@
 }
 
 .html-rtl {
-    #site-nav > ul > li {
+    .menu-nav > ul > li {
         border-left: 0;
         border-right: 1px solid #9FA7AF;
         float: right;
@@ -161,11 +145,59 @@
     }
 }
 
+#site-nav {
+    > ul {
+        > li {
+            border-left: 1px solid #9FA7AF;
+            left: -9px;
+            &:first-child {
+                border: 0;
+            }
+            > a {
+                padding: 4px 8px;
+                line-height: 12px;
+                text-transform: uppercase;
+            }
+        }
+    }
+}
+
+#aux-nav {
+    > ul {
+        > li:not(:first-child):before {
+            content: "";
+            display: block;
+            position: absolute;
+            top: 0;
+            left: -1px;
+            width: 1px;
+            height: 32px;
+            background: -moz-linear-gradient(#9FA7AF, fadeout(#9FA7AF, 100%)) no-repeat left top;
+            background-size: 1px 100%;
+        }
+        > li {
+            margin-left: 1px;
+            > a {
+                display: block;
+                line-height: 32px;
+                height: 32px;
+                padding: 0 1em;
+                .border-radius(0);
+            }
+            &:after {
+                top: 32px;
+            }
+            > ul {
+                top: 31px;
+            }
+        }
+    }
+}
 /** search box */
 
 .header-search {
     position: absolute;
-    top: 64px;
+    top: 63px;
     right: 0;
     background: #F8FBFF;
     border: 1px solid #98B2C9;
diff --git a/media/css/impala/hovercards.less b/media/css/impala/hovercards.less
index ea458ab907..8fa98718cd 100644
--- a/media/css/impala/hovercards.less
+++ b/media/css/impala/hovercards.less
@@ -11,7 +11,6 @@
         position: relative;
         margin: 5px 5px 5px 61px;
         border: 1px solid transparent;
-        float: left;
         z-index: 20;
         h3 {
             color: #447BC4;
@@ -40,9 +39,11 @@
         }
         a {
             display: block;
-            color: black;
             text-decoration: none;
         }
+        .button {
+            display: inline-block;
+        }
         .summary {
             height: 48px;
             width: 182px;
@@ -75,6 +76,7 @@
             z-index: 1;
         }
         &:hover {
+            float: left;
             z-index: 25;
             background: #fff;
             border-color: #888;
diff --git a/media/css/impala/lib.less b/media/css/impala/lib.less
index d0b3dd366c..bf0db12536 100644
--- a/media/css/impala/lib.less
+++ b/media/css/impala/lib.less
@@ -3,9 +3,9 @@
 @note-gray: #999;
 
 // Font Stacks
-@copy-stack: "helvetica neue", arial, helvetica, sans-serif;
+@sans-stack: "helvetica neue", arial, helvetica, sans-serif;
 @head-sans: "trebuchet ms", sans-serif;
-@head-serif: Georgia, serif;
+@serif-stack: Georgia, serif;
 @mono-stack: "andale mono", monospace;
 
 // Mixins
@@ -45,4 +45,12 @@
     background-image: linear-gradient(@color1, @color2);
     background-image: -moz-linear-gradient(@color1, @color2);
     background-image: -webkit-linear-gradient(@color1, @color2);
+}
+
+.sprite(@url, @pos, @spacing, @offset) {
+    background: url(@url) no-repeat;
+    background-position: 0 (@spacing * @pos * -1 + @offset) + 0px;
+}
+.sprite-pos(@pos, @spacing, @offset) {
+    background-position: 0 (@spacing * @pos * -1 + @offset) + 0px;
 }
\ No newline at end of file
diff --git a/media/css/impala/reviews.less b/media/css/impala/reviews.less
index e9f1a70932..20bd053aaa 100644
--- a/media/css/impala/reviews.less
+++ b/media/css/impala/reviews.less
@@ -6,13 +6,24 @@
     width: 63px;
     height: 12px;
     background: url(../../img/impala/stars.png) no-repeat left top;
+    text-indent: -9999px;
+    margin-right: 4px;
     &.stars-4 { background-position: -13px 0; }
     &.stars-3 { background-position: -26px 0; }
     &.stars-2 { background-position: -39px 0; }
     &.stars-1 { background-position: -52px 0; }
-    text-indent: -9999px;
-    margin-right: 4px;
+    &.large {
+        display: block;
+        background: url(../../img/impala/stars-16.png) no-repeat left top;
+        width: 89px;
+        height: 16px;
+        &.stars-4 { background-position: -18px 0; }
+        &.stars-3 { background-position: -36px 0; }
+        &.stars-2 { background-position: -54px 0; }
+        &.stars-1 { background-position: -70px 0; }
+    }
 }
+
 .html-rtl .stars {
     text-indent: 9999px;
     margin-right: 0;
diff --git a/media/css/impala/site.less b/media/css/impala/site.less
index 06c6173824..f6d7160fd5 100644
--- a/media/css/impala/site.less
+++ b/media/css/impala/site.less
@@ -24,32 +24,32 @@ a {
 }
 
 .primary {
-    margin-left: 210px;
+    position: relative;
+}
 
+.primary, .html-rtl.gutter .primary {
+    margin-left: 210px;
     .primary {
         margin-right: 210px;
         margin-left: 0;
     }
-
     .secondary {
         float: right;
     }
 }
-.secondary {
-    width: 180px;
+.secondary, .html-rtl.gutter .primary {
     float: left;
+    width: 180px;
 }
 
-.html-rtl {
+.html-rtl, .gutter {
     .primary {
         margin-left: 0;
         margin-right: 210px;
-
         .primary {
             margin-right: 0;
             margin-left: 210px;
         }
-
         .secondary {
             float: left;
         }
@@ -59,6 +59,7 @@ a {
     }
 }
 
+
 .secondary {
     ul, ol {
         margin-bottom: 28px;
@@ -85,6 +86,23 @@ a {
     }
 }
 
+#breadcrumbs {
+    margin-bottom: 1.2em;
+    font-family: @serif-stack;
+    color: #666;
+    li {
+        display: inline;
+        &:before {
+            content: '\00bb';
+            font-size: 1.3em;
+            font-weight: bold;
+        }
+        &:first-child:before {
+            content: none;
+        }
+    }
+}
+
 #promos {
     height: 270px;
     max-height: 270px;
diff --git a/media/css/impala/typography.less b/media/css/impala/typography.less
index 11865c7e09..69f37965fd 100644
--- a/media/css/impala/typography.less
+++ b/media/css/impala/typography.less
@@ -13,7 +13,7 @@
 
 
 body {
-    font-family: @copy-stack;
+    font-family: @sans-stack;
     font-style: normal;
     font-size: 13px;
 }
@@ -25,20 +25,42 @@ h1 {
     text-transform: uppercase;
 }
 
+h4 {
+    font-size: 14px;
+}
+
 pre, code, kbd, tt, samp, tt {
     font-family: @mono-stack;
 }
 
+.primary {
+    h2 {
+        color: #333;
+        font-family: @serif-stack;
+        font-style: italic;
+    }
+    p {
+        font-size: 14px;
+        margin-top: 1em;
+        color: #666;
+        line-height: 1.3em;
+    }
+}
+
+.gutter {
+    .primary, .secondary {
+        font-family: @serif-stack;
+    }
+}
+
 .island h2 {
-    color: #333;
-    font-family: @head-serif;
     font-size: 18px;
-    font-style: italic;
     margin-bottom: .5em;
 }
 
 .secondary h2 {
-    font-family: @copy-stack;
+    font-family: @sans-stack;
+    font-style: normal;
     font-weight: bold;
     text-transform: uppercase;
     color: #484848;
diff --git a/media/img/impala/add-coll.png b/media/img/impala/add-coll.png
new file mode 100644
index 0000000000..fe0c88879d
Binary files /dev/null and b/media/img/impala/add-coll.png differ
diff --git a/media/img/impala/add-disabled-small.png b/media/img/impala/add-disabled-small.png
new file mode 100644
index 0000000000..1b3a3b3043
Binary files /dev/null and b/media/img/impala/add-disabled-small.png differ
diff --git a/media/img/impala/add-disabled.png b/media/img/impala/add-disabled.png
new file mode 100644
index 0000000000..560c00d0bf
Binary files /dev/null and b/media/img/impala/add-disabled.png differ
diff --git a/media/img/impala/add-small.png b/media/img/impala/add-small.png
new file mode 100644
index 0000000000..ca8d59d13f
Binary files /dev/null and b/media/img/impala/add-small.png differ
diff --git a/media/img/impala/add-warning-small.png b/media/img/impala/add-warning-small.png
new file mode 100644
index 0000000000..7af14cd482
Binary files /dev/null and b/media/img/impala/add-warning-small.png differ
diff --git a/media/img/impala/add-warning.png b/media/img/impala/add-warning.png
new file mode 100644
index 0000000000..cc4812f023
Binary files /dev/null and b/media/img/impala/add-warning.png differ
diff --git a/media/img/impala/add.png b/media/img/impala/add.png
new file mode 100644
index 0000000000..bfa8757062
Binary files /dev/null and b/media/img/impala/add.png differ
diff --git a/media/img/impala/avatar.png b/media/img/impala/avatar.png
new file mode 100644
index 0000000000..1b319690af
Binary files /dev/null and b/media/img/impala/avatar.png differ
diff --git a/media/img/impala/button-icons b/media/img/impala/button-icons
new file mode 100644
index 0000000000..84150d31c4
Binary files /dev/null and b/media/img/impala/button-icons differ
diff --git a/media/img/impala/button-icons.png b/media/img/impala/button-icons.png
new file mode 100644
index 0000000000..d5099d30c5
Binary files /dev/null and b/media/img/impala/button-icons.png differ
diff --git a/media/img/impala/contribute.png b/media/img/impala/contribute.png
new file mode 100644
index 0000000000..e0126ca580
Binary files /dev/null and b/media/img/impala/contribute.png differ
diff --git a/media/img/impala/developer.png b/media/img/impala/developer.png
new file mode 100644
index 0000000000..1cd40c0628
Binary files /dev/null and b/media/img/impala/developer.png differ
diff --git a/media/img/impala/favorite.png b/media/img/impala/favorite.png
new file mode 100644
index 0000000000..6ae85a7a0a
Binary files /dev/null and b/media/img/impala/favorite.png differ
diff --git a/media/img/impala/share.png b/media/img/impala/share.png
new file mode 100644
index 0000000000..c9512042ba
Binary files /dev/null and b/media/img/impala/share.png differ
diff --git a/media/img/impala/stars-16.png b/media/img/impala/stars-16.png
new file mode 100644
index 0000000000..e4578ea046
Binary files /dev/null and b/media/img/impala/stars-16.png differ
diff --git a/media/img/impala/turtle.png b/media/img/impala/turtle.png
new file mode 100644
index 0000000000..56eefa82d8
Binary files /dev/null and b/media/img/impala/turtle.png differ
diff --git a/media/img/impala/warning-bg.png b/media/img/impala/warning-bg.png
new file mode 100644
index 0000000000..de08cb66fb
Binary files /dev/null and b/media/img/impala/warning-bg.png differ
diff --git a/media/img/impala/widgets.png b/media/img/impala/widgets.png
new file mode 100644
index 0000000000..6576540592
Binary files /dev/null and b/media/img/impala/widgets.png differ
diff --git a/media/js/impala/addon_details.js b/media/js/impala/addon_details.js
new file mode 100644
index 0000000000..88de70a224
--- /dev/null
+++ b/media/js/impala/addon_details.js
@@ -0,0 +1,7 @@
+$(function () {
+    $(".previews").zCarousel({
+        btnNext: ".previews .next",
+        btnPrev: ".previews .prev",
+        itemsPerPage: 3
+    });
+});
\ No newline at end of file
diff --git a/media/js/impala/carousel.js b/media/js/impala/carousel.js
new file mode 100644
index 0000000000..48f4c2db10
--- /dev/null
+++ b/media/js/impala/carousel.js
@@ -0,0 +1,81 @@
+/**
+ * zCarousel: like jCarouselLite, but good.
+ * by potch
+ *
+ * handles fluid layouts like a champ!
+ */
+
+(function($) {
+
+$.fn.zCarousel = function(o) {
+    o = $.extend({
+        itemsPerPage: 1,
+        circular: false
+    }, o);
+
+    this.each(function() {
+        var $self = $(this),
+            $strip = $(".slider", $self),
+            $lis = $strip.find(".panel"),
+            $prev = $(o.btnPrev),
+            $next = $(o.btnNext),
+            prop = $("body").hasClass("html-rtl") ? "right" : "left",
+            currentPos = 0,
+            maxPos = Math.ceil($lis.length / o.itemsPerPage) - 1;
+
+        function render(pos) {
+            if (o.circular) {
+                currentPos = pos;
+                if ($strip.hasClass("noslide")) {
+                    currentPos = (pos > maxPos+1) ? 1 : (pos < 1 ? maxPos+1 : pos);
+                }
+            } else {
+                currentPos = Math.min(Math.max(0, pos), maxPos);
+            }
+            $strip.css(prop, currentPos * -100 + "%");
+            $prev.toggleClass("disabled", currentPos == 0 && !o.circular);
+            $next.toggleClass("disabled", currentPos == maxPos && !o.circular);
+
+            //wait for paint to clear the class. lame.
+            setTimeout(function() {
+                $strip.removeClass("noslide");
+            }, 0);
+        }
+
+        //wire up controls.
+        $next.click(_pd(function() {
+            render(currentPos+1);
+        }));
+        $prev.click(_pd(function() {
+            render(currentPos-1);
+        }));
+
+        // Strip text nodes so inline-block works properly.
+        var cn = $strip[0].childNodes;
+        for(var i = 0; i < cn.length; i++) {
+            if (cn[i].nodeType == 3) {
+                $strip[0].removeChild(cn[i]);
+            };
+        }
+
+        if (o.circular) {
+            //pad the beginning with a page from the end vice-versa.
+            $strip.prepend($lis.slice(-o.itemsPerPage).clone().addClass("cloned"))
+                  .append($lis.slice(0,o.itemsPerPage).clone().addClass("cloned"));
+            render(o.itemsPerPage);
+            //if we're outside the bounds, disable transitions and snap back to the beginning.
+            $strip.bind("transitionend", function() {
+                if (currentPos > maxPos+1 || currentPos < 1) {
+                    $strip.addClass("noslide");
+                    setTimeout(function() {
+                        render(currentPos);
+                    }, 0);
+                }
+            });
+        } else {
+            render(0);
+        }
+    });
+};
+
+})(jQuery);
diff --git a/media/js/impala/homepage.js b/media/js/impala/homepage.js
index 3964ebad26..e4e2215166 100644
--- a/media/js/impala/homepage.js
+++ b/media/js/impala/homepage.js
@@ -57,6 +57,7 @@ $(function() {
         };
     });
 
+    // this belongs in a more global place.
     $("img[data-defer-src]").each(function() {
         var $img = $(this);
         $img.attr('src', $img.attr('data-defer-src'));
diff --git a/media/js/lib/jquery-1.6.min.js b/media/js/lib/jquery-1.6.min.js
new file mode 100644
index 0000000000..c72011dfa0
--- /dev/null
+++ b/media/js/lib/jquery-1.6.min.js
@@ -0,0 +1,16 @@
+/*!
+ * jQuery JavaScript Library v1.6
+ * http://jquery.com/
+ *
+ * Copyright 2011, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2011, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Mon May 2 13:50:00 2011 -0400
+ */
+(function(a,b){function cw(a){return f.isWindow(a)?a:a.nodeType===9?a.defaultView||a.parentWindow:!1}function ct(a){if(!ch[a]){var b=f("<"+a+">").appendTo("body"),d=b.css("display");b.remove();if(d==="none"||d===""){ci||(ci=c.createElement("iframe"),ci.frameBorder=ci.width=ci.height=0),c.body.appendChild(ci);if(!cj||!ci.createElement)cj=(ci.contentWindow||ci.contentDocument).document,cj.write("<!doctype><html><body></body></html>");b=cj.createElement(a),cj.body.appendChild(b),d=f.css(b,"display"),c.body.removeChild(ci)}ch[a]=d}return ch[a]}function cs(a,b){var c={};f.each(cn.concat.apply([],cn.slice(0,b)),function(){c[this]=a});return c}function cr(){co=b}function cq(){setTimeout(cr,0);return co=f.now()}function cg(){try{return new a.ActiveXObject("Microsoft.XMLHTTP")}catch(b){}}function cf(){try{return new a.XMLHttpRequest}catch(b){}}function b_(a,c){a.dataFilter&&(c=a.dataFilter(c,a.dataType));var d=a.dataTypes,e={},g,h,i=d.length,j,k=d[0],l,m,n,o,p;for(g=1;g<i;g++){if(g===1)for(h 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cellspacing='0'><tr><td></td></tr></table>";f.extend(b.style,{position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"}),b.innerHTML=j,a.insertBefore(b,a.firstChild),d=b.firstChild,e=d.firstChild,h=d.nextSibling.firstChild.firstChild,this.doesNotAddBorder=e.offsetTop!==5,this.doesAddBorderForTableAndCells=h.offsetTop===5,e.style.position="fixed",e.style.top="20px",this.supportsFixedPosition=e.offsetTop===20||e.offsetTop===15,e.style.position=e.style.top="",d.style.overflow="hidden",d.style.position="relative",this.subtractsBorderForOverflowNotVisible=e.offsetTop===-5,this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==i,a.removeChild(b),f.offset.initialize=f.noop},bodyOffset:function(a){var b=a.offsetTop,c=a.offsetLeft;f.offset.initialize(),f.offset.doesNotIncludeMarginInBodyOffset&&(b+=parseFloat(f.css(a,"marginTop"))||0,c+=parseFloat(f.css(a,"marginLeft"))||0);return{top:b,left:c}},setOffset:function(a,b,c){var d=f.css(a,"position");d==="static"&&(a.style.position="relative");var e=f(a),g=e.offset(),h=f.css(a,"top"),i=f.css(a,"left"),j=(d==="absolute"||d==="fixed")&&f.inArray("auto",[h,i])>-1,k={},l={},m,n;j?(l=e.position(),m=l.top,n=l.left):(m=parseFloat(h)||0,n=parseFloat(i)||0),f.isFunction(b)&&(b=b.call(a,c,g)),b.top!=null&&(k.top=b.top-g.top+m),b.left!=null&&(k.left=b.left-g.left+n),"using"in b?b.using.call(a,k):e.css(k)}},f.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),c=this.offset(),d=cv.test(b[0].nodeName)?{top:0,left:0}:b.offset();c.top-=parseFloat(f.css(a,"marginTop"))||0,c.left-=parseFloat(f.css(a,"marginLeft"))||0,d.top+=parseFloat(f.css(b[0],"borderTopWidth"))||0,d.left+=parseFloat(f.css(b[0],"borderLeftWidth"))||0;return{top:c.top-d.top,left:c.left-d.left}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||c.body;while(a&&!cv.test(a.nodeName)&&f.css(a,"position")==="static")a=a.offsetParent;return a})}}),f.each(["Left","Top"],function(a,c){var d="scroll"+c;f.fn[d]=function(c){var e,g;if(c===b){e=this[0];if(!e)return null;g=cw(e);return g?"pageXOffset"in g?g[a?"pageYOffset":"pageXOffset"]:f.support.boxModel&&g.document.documentElement[d]||g.document.body[d]:e[d]}return this.each(function(){g=cw(this),g?g.scrollTo(a?f(g).scrollLeft():c,a?c:f(g).scrollTop()):this[d]=c})}}),f.each(["Height","Width"],function(a,c){var d=c.toLowerCase();f.fn["inner"+c]=function(){return this[0]?parseFloat(f.css(this[0],d,"padding")):null},f.fn["outer"+c]=function(a){return this[0]?parseFloat(f.css(this[0],d,a?"margin":"border")):null},f.fn[d]=function(a){var e=this[0];if(!e)return a==null?null:this;if(f.isFunction(a))return this.each(function(b){var c=f(this);c[d](a.call(this,b,c[d]()))});if(f.isWindow(e)){var g=e.document.documentElement["client"+c];return e.document.compatMode==="CSS1Compat"&&g||e.document.body["client"+c]||g}if(e.nodeType===9)return Math.max(e.documentElement["client"+c],e.body["scroll"+c],e.documentElement["scroll"+c],e.body["offset"+c],e.documentElement["offset"+c]);if(a===b){var h=f.css(e,d),i=parseFloat(h);return f.isNaN(i)?h:i}return this.css(d,typeof a=="string"?a:a+"px")}}),a.jQuery=a.$=f})(window);
\ No newline at end of file
diff --git a/media/js/share.png b/media/js/share.png
new file mode 100644
index 0000000000..c9512042ba
Binary files /dev/null and b/media/js/share.png differ
diff --git a/media/js/zamboni/discovery_addons.js b/media/js/zamboni/discovery_addons.js
index a05b920a79..a6dc61847c 100644
--- a/media/js/zamboni/discovery_addons.js
+++ b/media/js/zamboni/discovery_addons.js
@@ -1,86 +1,3 @@
-/**
- * zCarousel: like jCarouselLite, but good.
- * by potch
- *
- * handles fluid layouts like a champ!
- */
-
-(function($) {
-
-$.fn.zCarousel = function(o) {
-    o = $.extend({
-        itemsPerPage: 1,
-        circular: false
-    }, o);
-
-    this.each(function() {
-        var $self = $(this),
-            $strip = $(".slider", $self),
-            $lis = $strip.find(".panel"),
-            $prev = $(o.btnPrev),
-            $next = $(o.btnNext),
-            prop = $("body").hasClass("html-rtl") ? "right" : "left",
-            currentPos = 0,
-            maxPos = Math.ceil($lis.length / o.itemsPerPage) - 1;
-
-        function render(pos) {
-            if (o.circular) {
-                currentPos = pos;
-                if ($strip.hasClass("noslide")) {
-                    currentPos = (pos > maxPos+1) ? 1 : (pos < 1 ? maxPos+1 : pos);
-                }
-            } else {
-                currentPos = Math.min(Math.max(0, pos), maxPos);
-            }
-            $strip.css(prop, currentPos * -100 + "%");
-            $prev.toggleClass("disabled", currentPos == 0 && !o.circular);
-            $next.toggleClass("disabled", currentPos == maxPos && !o.circular);
-
-            //wait for paint to clear the class. lame.
-            setTimeout(function() {
-                $strip.removeClass("noslide");
-            }, 0);
-        }
-
-        //wire up controls.
-        $next.click(_pd(function() {
-            render(currentPos+1);
-        }));
-        $prev.click(_pd(function() {
-            render(currentPos-1);
-        }));
-
-        // Strip text nodes so inline-block works properly.
-        var cn = $strip[0].childNodes;
-        for(var i = 0; i < cn.length; i++) {
-            if (cn[i].nodeType == 3) {
-                $strip[0].removeChild(cn[i]);
-            };
-        }
-
-        if (o.circular) {
-            //pad the beginning with a page from the end vice-versa.
-            $strip.prepend($lis.slice(-o.itemsPerPage).clone().addClass("cloned"))
-                  .append($lis.slice(0,o.itemsPerPage).clone().addClass("cloned"));
-            render(o.itemsPerPage);
-            //if we're outside the bounds, disable transitions and snap back to the beginning.
-            $strip.bind("transitionend", function() {
-                if (currentPos > maxPos+1 || currentPos < 1) {
-                    $strip.addClass("noslide");
-                    setTimeout(function() {
-                        render(currentPos);
-                    }, 0);
-                }
-            });
-        } else {
-            render(0);
-        }
-    });
-};
-
-})(jQuery);
-
-
 $(document).ready(function(){
     if ($(".detail").length) {
         initDetail();
diff --git a/settings.py b/settings.py
index 654fac7f7e..ac48f3817d 100644
--- a/settings.py
+++ b/settings.py
@@ -385,16 +385,19 @@ MINIFY_BUNDLES = {
         ),
         'zamboni/impala': (
             'css/impala/base.css',
+            'css/legacy/jquery-lightbox.css',
             'css/impala/site.less',
             'css/impala/typography.less',
-            'css/impala/header.less',
             'css/global/headerfooter.css',
+            'css/impala/header.less',
+            'css/impala/footer.less',
             'css/impala/moz-tab.css',
             'css/impala/hovercards.less',
             'css/impala/toplist.less',
             'css/impala/carousel.less',
             'css/impala/reviews.less',
-            # 'css/zamboni/amo_headerfooter.css',
+            'css/impala/buttons.less',
+            'css/impala/addon_details.less',
         ),
         'zamboni/discovery-pane': (
             'css/zamboni/discovery-pane.css',
@@ -465,9 +468,10 @@ MINIFY_BUNDLES = {
             'js/global/menu.js',
         ),
         'impala': (
-            'js/lib/jquery-1.4.2.min.js',
+            'js/lib/jquery-1.6.min.js',
             'js/lib/jquery-ui/custom-1.8.5.min.js',
             'js/lib/underscore-min.js',
+            'js/impala/carousel.js',
             'js/zamboni/browser.js',
             'js/amo2009/addons.js',
             'js/zamboni/init.js',
@@ -490,7 +494,7 @@ MINIFY_BUNDLES = {
             'js/lib/jquery-ui/ui.lightbox.js',
             'js/get-satisfaction-v2.js',
             'js/zamboni/contributions.js',
-            'js/zamboni/addon_details.js',
+            'js/impala/addon_details.js',
             'js/zamboni/reviews.js',
 
             # Personas
@@ -518,6 +522,7 @@ MINIFY_BUNDLES = {
             'js/zamboni/browser.js',
             'js/zamboni/init.js',
             'js/zamboni/format.js',
+            'js/impala/carousel.js',
 
             # Add-ons details
             'js/zamboni/buttons.js',
diff --git a/templates/impala/base.html b/templates/impala/base.html
index 0d75e32810..4e3f30f524 100644
--- a/templates/impala/base.html
+++ b/templates/impala/base.html
@@ -67,28 +67,27 @@
           <a href="http://mozilla.org/"><img src="{{ media('img/zamboni/mozilla-tab.png') }}"></a>
         </div>
         <div class="amo-header">
-          <div id="aux-nav" role="navigation" class="c">
-            {% block aux_nav %}
-            <ul id="other-apps" class="change"
-                title="{{ _('Find add-ons for other applications') }}">
-              <li>
-                <a href="#" class="controller">{{ _('Other Applications') }}</a>
-                <ul>
-                  {% for app in amo.APP_USAGE %}
-                    {% if app != request.APP %}
-                      <li id="app-{{ app.short }}" class="{{ app.short }}">
-                        <a href="{{ locale_url(app.short) }}">{{ app.pretty }}</a>
-                      </li>
-                    {% endif %}
-                  {% endfor %}
-                </ul>
-              </li>
+          <nav id="aux-nav" role="navigation" class="menu-nav">
+            <ul class="c">
+              {% if not settings.READ_ONLY %}
+                {% include "impala/user_login.html" %}
+              {% endif %}
+              {% block aux_nav %}
+                <li>
+                  <a href="#" class="controller" title="{{ _('Find add-ons for other applications') }}">{{ _('Other Applications') }}</a>
+                  <ul>
+                    {% for app in amo.APP_USAGE %}
+                      {% if app != request.APP %}
+                        <li id="app-{{ app.short }}" class="{{ app.short }}">
+                          <a href="{{ locale_url(app.short) }}">{{ app.pretty }}</a>
+                        </li>
+                      {% endif %}
+                    {% endfor %}
+                  </ul>
+                </li>
+              {% endblock aux_nav %}
             </ul>
-            {% endblock aux_nav %}
-            {% if not settings.READ_ONLY %}
-              {% include "user_login.html" %}
-            {% endif %}
-          </div>
+          </nav>
           <div class="header-search" role="search">
             {% block search_form %}
             {% include 'impala/search.html' %}
diff --git a/templates/impala/user_login.html b/templates/impala/user_login.html
new file mode 100644
index 0000000000..58b005d637
--- /dev/null
+++ b/templates/impala/user_login.html
@@ -0,0 +1,36 @@
+<li class="account">
+  {% if user.is_authenticated() %}
+    <a href="#" class="user" title="{{ user.email }}">
+      {{ user.get_profile().welcome_name }}
+    </a>
+    {% if account_links %}
+      <ul>
+        {% for link in account_links %}
+          <li><a href="{{ link.href }}">{{ link.text }}</a></li>
+        {% endfor %}
+      </ul>
+    {% endif %}
+  {% else %}
+    {# TODO(jbalogh): reverse #}
+    {% trans reg="/users/register", login=login_link() %}
+      <a href="{{ reg }}">Register</a> or <a href="{{ login }}">Log in</a>
+    {% endtrans %}
+  {% endif %}
+</li>
+
+{% if user.is_authenticated() %}
+  {% if tools_links and tools_links|count > 1 %}
+    <li class="tools">
+      <a href="#">{{ _('Tools') }}</a>
+      <ul>
+        {% for link in tools_links %}
+          <li><a href="{{ link.href }}">{{ link.text }}</a></li>
+        {% endfor %}
+      </ul>
+    </li>
+  {% else %}
+    <p class="context tools">
+      <a href="{{ tools_links[0].href }}">{{ tools_links[0].text }}</a>
+    </p>
+  {% endif %}
+{% endif %}