NVIDIA just released a new ForceWare driver, beta yet official as they are distributing it directly toward you, the users. This build should fix the 'shimmering' bug/optimization as reported by a couple of websites. This is a Windows 2000/XP (32-bit) official NVIDIA release.
ForceWare Release 75
Release Date: September 2, 2005
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
Driver Installation Hints:
Before installing new drivers make sure you uninstall all NVIDIA display drivers from the Windows Control Panel. Browse to the Start Menu > Windows Control Panel > Add/Remove Programs and search for "NVIDIA Windows Display Drivers" or "NVIDIA Display Drivers" and select remove.