Turning off turbo by default for now to avoid slew of bug reports tomorrow about how "turbo was on even though I didn't ask for it!"

modules/libpref/src/init/all.js

@@ -86,7 +86,7 @@ pref("browser.toolbars.showbutton.net2phone", true);
 pref("browser.toolbars.showbutton.print",   true);
 pref("browser.toolbars.showbutton.search",  true);
 
-pref("browser.turbo.enabled", true);
+pref("browser.turbo.enabled", false);
 
 pref("browser.helperApps.alwaysAsk.force",  false);
 pref("browser.helperApps.neverAsk.saveToDisk", "");