NVIDIA released a new WHQL driver, this Forceware 196.75

New in Version 196.75
Adds support for Next Generation ION.
Adds support for GeForce GT 320, GeForce GT 330, and GeForce GT 340.
Upgrades PhysX System Software to version 9.10.0129.
Upgrades HD Audio driver to version 1.0.9.1 (for supported GPUs).
Increases performance in several PC games from v196.21 WHQL. The following are examples of measured improvements. Results will vary depending on your GPU and system configuration:

Performance:
Up to 13% performance increase in Crysis: Warhead with a single GPU
Up to 30% performance increase in Crysis: Warhead with SLI technology
Up to 13% performance increase in H.A.W.X with single GPU
Up to 15% performance increase in H.A.W.X with SLI technology
Up to 30% performance increase in Left 4 Dead with single GPU
Up to 28% performance increase in Left 4 Dead with SLI technology


Generic:
Adds SLI and multi-GPU support for top new gaming titles including Assassin Creed II, Battlefield: Bad Company 2, Command and Conquer 4: Tiberium Twilight, Grand Theft Auto IV: Episodes from Liberty City, Mass Effect 2, Napoleon: Total War, and Zombie Driver.
Enhanced SLI support for World of Warcraft and Unigine.
Adds override anti-aliasing support for Mass Effect 2.
Includes numerous bug fixes.


Windows 7 | Vista (64-bit)

Windows 7 | Vista (32-bit)

Windows XP (32-bit)