SFFT posted screenshots of some Direct3D games running on Windows XP Professional x64 Edition and on a 3dfx Voodoo 5500 PCI. Those images are useful to show as the new D3D driver core works on a 64 bit platform. The tested games are: Commandos 3, Freelancer and Need For Speed Underground.
Here you can view resized version of a part of screenshots in this page.
Need For Speed Underground
Full size version of those and other screenshots are on line here.