Hyper-V Program Manager
Quake II (http://www.idsoftware.com/games/quake/quake2/) was one of the first games to truly take advantage of hardware support for 3D acceleration - in fact I purchased my first 3D video card because of Quake II (it was an 8mb Creative Voodoo II card). It also has good support for using a plain 2D video card so it runs fine under Virtual PC:
Interestingly enough it runs better under Virtual PC in Windowed mode than in full screen mode. On my 2.0GHZ Opteron I get the following frames per second:
It is also quite playable on my 1GHZ system under Virtual PC.