Nvidia has released new GeForce 285.27 beta drivers

This is the first beta release from the Release 285 family of drivers. You can read more about this family of drivers on GeForce.com.

This driver package supports GeForce 6, 7, 8, 9, 100, 200, 300, 400, and 500-series desktop GPUs as well as ION desktop GPUs.

New in Release 285.27

Performance

Increases performance for GeForce 400 and 500-series GPUs in several PC games vs. v280.26 WHQL drivers. The following are some examples of improvements measured on Windows 7. Results will vary depending on your GPU and system configuration:

GeForce GTX 580:
Up to 5% in Call of Duty: Black Ops
Up to 7% in Civilization V with SLI
Up to 7% in F1 2010 with SLI
Up to 5% in Lost Planet 2 with SLI
Up to 5% in Mafia 2 with SLI
Up to 13% in Metro 2033 with SLI
Up to 8% in STALKER: Call of Pripyat with SLI
Up to 5% in StarCraft II
GeForce GTX 560:
Up to 4% in Bulletstorm
Up to 5% in Battlefield: Bad Company 2 with SLI
Up to 6% in Call of Duty: Black Ops
Up to 7% in Dragon Age 2 with SLI
Up to 7% in F1 2010 with SLI
Up to 5% in Just Cause 2 with SLI
Up to 5% in Lost Planet 2 with SLI
Up to 4% in Mafia 2 with SLI
Up to 7% in Metro 2033 with SLI
Up to 11% in STALKER: Call of Pripyat with SLI
Up to 7% in StarCraft II
NVIDIA PhysX

Updates PhysX System Software to version 9.11.06.21.
HD Audio

Updates HD Audio driver to version 1.2.24.0.
OpenGL

Adds support for OpenGL 4.2 for GeForce 400 series and 500 series GPUs.
NVIDIA 3D Vision

The 3D Vision Controller (USB) driver is included in this driver package. Users are no longer required to install the 3D Vision CD driver or a separate 3D Vision Controller driver. For more information, please view this knowledgebase article.
Adds support for viewing 3DVisionLive.com and YouTube 3D with NVIDIA SLI PCs. Please view this knowledgebase article for more information on 3D Vision Window Mode.
Window mode is now the default viewing option for the 3D Vision Photo Viewer.
Added the following 3D Vision game profiles:
Aion
Diablo 3
Dead Rising 2: Off The Record
Defense of the Ancients (DOTA) 2
From Dust
Harry Potter and the Deathly Hollows Part 2
Last Remnant Benchmark
Men of War Assault Squad
Stock Car
Update the following 3D Vision game profiles:
Dirt 3 – updated rating to Excellent
Other

Supports OpenGL 3.3 for GeForce 8-series and later GPUs.
Supports single GPU and NVIDIA SLI technology* on DirectX 9 and OpenGL.
Supports the new GPU-accelerated features in Adobe Creative Suite 5 including Photoshop CS5.
Supports GPU-acceleration for smoother online HD videos with Adobe Flash.
Supports GPU overclocking and temperature monitoring by installing NVIDIA System Tools software.
*Note: The following SLI features are only supported on Windows Vista and Windows 7: Quad SLI technology, 3-way SLI technology, Hybrid SLI, and SLI multi-monitor support.

Download for Windows Vista/7 (32-bit)
Download for Windows Vista/7 (64-bit)
Download for Windows XP (32-bit)
Download for Windows XP (64-bit)