2beFine Classic is very nice Windows 7 Theme , and is one of the best I tasted in Windows , has very beautiful icons , gives a great look, very elegant and I can talk about many other things of it, but it is best to download and install on your windows 7

Download Windows 7 theme Classic 2beFine

VS is an elegant Kiilki Windows 7 Theme very dark , black and has a lot of what makes it look cool , of course you must also have a nice wallpaper to make it look great.

Download Windows 7 theme VS Kiilki