No offence, White, but I honestly don't get why anyone would want to keep the classic start menu. Vista's sole addition of note was the good search function/application launcher that came as a part of the new start menu (which, also, FINALLY is just a windows logo and not called "start" anymore just to confuse people). I went back, briefly, to XP after using 7 for a while, and starting an application is a labyrinthine task in comparison to the extremely fast mouse-less windows button + first two letters of app name + enter combo that works so well on Vista/7. Also, 7 had LOADS of UI improvements over older versions, like keyboard-based window maximising/resizing (extremely handy). I consider this progress, and really the first Windows UI that doesn't feel like a complete joke when compared to OSX, Gnome or KDE.
If they've managed to properly keep all status bar functionality in the address bar, I welcome Mozilla's move. Chrome managed to strip away pretty much everything not badly needed, and Firefox has been losing a lot of its potential user base (programmers and open source geeks) to Chrome ever since.
I'm all for conservatism in UI design, though. Why change something that works. For instance, MS Office 2007/2010 is an ugly maze - even masking the surprising amounts of improvements it actually contains. But pretty much everything new about Windows 7 was progress, IMHO.