Article: "Though it will be turned on by default for Windows 7 and Vista users, they will be able to toggle between the old and new interface by holding the Alt key."

With the option to revert i don't see the big deal. Firefox if it's anything is the most configurable of the big 4 browsers so i welcome interface updates. Ribbon or no ribbon having Aero Glass is a nice touch though.

A bigger deal would be enabling Aero Peek for tabs in Windows 7.

I am not a programmer myself, but i know a bunch, and just about every one I know or have talked languages with systematically abhor Java (the words slow and bloated come up often) and most apps written in Java I have used have felt half-hearted. Other then the cross-platform capability are there real advantages to it?