The Guru of 3D reports that nVidia has released new GeForce Forceware 182.05 beta drivers

The driver supports OpenGL 3.0 on GeForce 8-series, 9-series, and 200-series GPUs, installs the new PhysX System Software version 9.09.0203.

Recommended for the best experience in F.E.A.R. 2: Project Origin.
Boosts performance in numerous 3D applications. The following are some examples of improvements measured with Release 182.05 WHQL drivers vs. Release 181.22 WHQL drivers (results will vary depending on your GPU, system configuration, and game settings):

Up to 8% performance increase in Fallout 3 at high resolution and AA.
Up to 10% performance increase in F.E.A.R. 2: Project Origin.
Up to 9% performance increase in Half-Life 2 at high resolution with AA.
Up to 11% performance increase in Left 4 Dead at high resolution with AA.
Up to 10% performance increase in Race Driver: GRID at high resolution and AA.

GeForce Forceware 182.05 XP 64-bit
GeForce Forceware 182.05 XP 32-bit
GeForce Forceware 182.05 Vista 64-bit
GeForce Forceware 182.05 Vista 32-bit