> 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. Those m

> 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. Those mockups are busier than the current interface, at least for OSX. The new OSX UI gains some vertical space in exchange for losing horizontal and making the UI more cluttered. EDIT: Actually it only gains about 4 pixels of vertical space despite all the downsides, including the loss of the title.