Firefox 25 will get a major UI overhaul
Here are some very detailed mockups(?) on major platforms whose links are kind of tucked into the parent link:Linux: http://people.mozilla.com/~shorlander/files/australis-design...Windows 7: http://people.mozilla.com/~shorlander/files/australis-design...Windows XP: http://people.mozilla.com/~shorlander/files/australis-design...OSX: http://people.mozilla.com/~shorlander/files/australis-design...I personally think it looks nice and welcome the update. I haven't really been using Firefox all that much mainly due to how busy the interface is, so maybe leaning it out will make me a regular user again.