This guy at DA made a kit to give your machine a makeover from XP to Vista. Interesting idea: it's a collection of programs, skins, fonts, walls, etc. You install what you want in a fancy GUI interface. I haven't played around with it, but I think it would be neat to make a "Vista" user like one would with an alternative shell. Someone else even made a YouTube video of it. It shows all the in's and out's of the program. I have to say, this is the first time I'm including a YouTube video with my app links. I guess it's a sign of the times.
Kit Itself: [link]
Shout outs to Shell City. They had some of the apps included is the kit featured. One link lead to the other from there.