-Office 2007 (nice and smooth)
-World of Warcraft (better than vista x64, by far this is the best improvement)
-Team Speak (had some problems with audio drivers but it works now)
-Xfire (sort of... It works, but has no audio and some part are in blank)
-Pro evolution Soccer 2009 (nice and smooth)
-Winrar (No problem)
-Kaspersky Antivirus 2009 (No problem)
-live Messenger 2009 (its very heavy, but it works flawless)
-Adobe Studio CS4 (Some minors errors, but not big deal)
-Call of duty 5: World at War (sort of, you can play perfect the single player but you get kick out gaming online MP server by punkbuster, same in COD4, and I think every game that use punkbuster)
-mIRC (No problem)
-K-lite code pack (No problem, sometimes you cant see the subtitles, but you can repair it yourself, go to k-lite forums and you will see)
-Creative XFI drivers (on compatible mode with vista, if you have 5.1, the rear speakers will not work, wait for new custom drivers on creative forum)
this is half of my list.. I will update this list later...