NVIDIA just released new drivers for their cards (here for Windows 7/Vista 32-bit, here for 7/Vista 64-bit, here for 32-bit XP, and here for 64-bit XP), and they come with some improvements listed below. For all of the improvements and bug fixes, see the release notes (here for Windows 7, here for Vista, and here for XP).
Adds support for OpenGL 3.2 for GeForce 8, 9, 100, 200-series and ION GPUs. Adds SLI support for Aion, Darkfall, Dawn of Magic 2: Time of Shadows, Dreamkiller, Fuel, Need for Speed: Shift and more. Includes the following key fix: for graphics cards supporting multiple clock states, 3D clocks correctly return to 2D clocks after exiting a 3D application. Accelerates performance in several games, such as (comparison between 191.07 and 190.62 drivers, results may vary):o Up to 50% performance increase in Call of Juarez: Blood in Bound with SLI enabled
o Up to 34% performance increase in Prototype with antialiasing enabled
o Up to 14% performance increase in Fallout 3 (indoor scenes) with antialiasing enabled
o Up to 12% performance increase in ARMA 2
o Up to 10% performance increase in Far Cry 2 (DX9 version) with antialiasing enabled
o Up to 8% performance increase in Batman: Arkham Asylum with GPU PhysX enabled