NVIDIA has released ForceWare 78.03 Official Beta for Windows Server 2003 x64 Edition/Windows XP Professional x64 Edition.
-Resolved issue with some application profile settings not overriding the global profiles settings.
-Improved High Quality performance setting on GeForce 7 series to reduce shimmering artifacts
-Microsoft DirectX 9.0c and OpenGL 2.0 support
Note: These drivers are BETA so use at your own risk.
View: Release Notes (.pdf format)
Download: ForceWare 78.03 Official Beta (list of mirrors)