http://www.nvidia.com/Download/Find.aspx
Apparently this version buffs the performance on some games, including HL2 and L4D. I am assuming that TF2 performance is better but I have to check it out.
Recommended for the best experience in F.E.A.R. 2: Project Origin.
Boosts performance in several 3D applications. The following are 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.
Includes full support for OpenGL 3.0 on GeForce 8-series, 9-series, and 200-series GPUs.
Automatically installs the new PhysX System Software version 9.09.0203.
Additional information on specific bug fixes can be found in the release documentation notes.