Nvidia has released new Forceware 270.51 beta drivers for Windows Vista and Windows 7

This is the first release from the Release 270 family of drivers (versions 270.xx to 274.xx). 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. This driver package also includes the 3D Vision Controller driver.

New in Release 270.51

GPU Support

Adds support for the newly released GeForce GTX 590, GeForce GTX 560 Ti and GeForce GTX 550 Ti GPUs.

Performance

Increases performance for GeForce 400 Series and 500 Series GPUs in several PC games vs. v266.58 WHQL drivers. The following are examples of some of the most significant improvements measured on Windows 7. Results will vary depending on your GPU and system configuration:

GeForce GTX 580:

Up to 516% in Dragon Age 2 (SLI 2560x1600 8xAA/16xAF Very High, SSAO on)
Up to 326% in Dragon Age 2 (1920x1200 8xAA/16xAF Very High, SSAO on)
Up to 11% in Just Cause 2 (1920x1200 8xAA/16xAF, Concrete Jungle)
Up to 11% in Just Cause 2 (SLI 2560x1600 8xAA/16xAF, Concrete Jungle)
Up to 7% in Civilization V (1920x1200 4xAA/16xAF, Max settings)
Up to 6% in Far Cry 2 (SLI 2560x1600 8xAA/16xAF, Max settings)
Up to 5% in Civilization V (SLI 1920x1200 8xAA/16xAF, Max settings)
Up to 5% in Left 4 Dead 2 (1920x1200 noAA/AF, Outdoor)
Up to 5% in Left 4 Dead 2 (SLI 2560x1600 4xAA/16xAF, Outdoor)
Up to 4% in H.A.W.X. 2 (SLI 1920x1200 8xAA/16xAF, Max settings)
Up to 4% in Mafia 2 (SLI 2560x1600 AA on/16xAF, PhysX = High)

GeForce GTX 560 Ti:

Up to 461% in Dragon Age 2 (SLI 1920x1200 8xAA/16xAF, Very High)
Up to 241% in Dragon Age 2 (1920x1200 4xAA/16xAF, Very High)
Up to 19% in Just Cause 2 (SLI 2560x1600 8xAA/16xAF, Concrete Jungle)
Up to 13% in Just Cause 2 (1920x1200 4xAA/16xAF, Concrete Jungle)
Up to 6% in Far Cry 2 (SLI 2560x1600 8xAA/16xAF, Max settings)
Up to 5% in Call of Duty: Black Ops (1920x1200 noAA/AF, Jungle Map)
Up to 5% in H.A.W.X. 2 (SLI 1920x1200 4xAA/16xAF, Max settings)
Up to 4% in Call of Duty: Black Ops (SLI 2560x1600 4xAA/16xAF, Jungle Map)
Up to 4% in Civilization V (1920x1200 noAA/AF, Max settings)
Up to 4% in Left 4 Dead 2 (SLI 1920x1200 4xAA/16xAF, Outdoor)
Up to 4% in Metro 2033 (SLI 1920x1200 4xAA/16xAF, PhysX on)

NVIDIA Update

This is a new feature in Release 270 and later drivers. NVIDIA Update keeps your PC up-to-date with the latest NVIDIA drivers by notifying you when a new driver is available and directing you to the driver on www.nvidia.com. When you install a Release 270 or later GeForce driver from www.nvidia.com, you will be presented with the option to install NVIDIA Update. Click here to learn more about NVIDIA Update.

NVIDIA 3D Vision

With Release 270 drivers, the 3D Vision Controller driver is now included with all GPU driver installations. This driver package includes v270.47 3D Vision Controller driver. Users are no longer required to install a separate 3D Vision Controller driver or CD driver. For more information, please view this knowledgebase article for more information.
New features added to 3D Vision window mode
Adds support for HDMI 1.4 3D TVs when using 3DTV Play software, including DirectX 9 games, Google Earth, and 3DVisionLive.com.
3D Vision window mode now works with Windows Aero enabled
New NVIDIA Control Panel option to toggle 3D Vision window mode on or off.
Performance improvements
DirectX 9 applications when using NVIDIA SLI
Better performance using the in-game crosshair for Half-life 2, Left4Dead, and Left4Dead2
Adds support for new 3D Vision Desktop LCD monitors: Tongfang LM2230W
Adds support for new 3D Vision projectors: Acer X1261P, Acer X1261-3D, DepthQ HDs3D-1, NEC NP-V300X, Sanyo PDG-DXL2000
Fixed problem with DLP HDTVs and SLI which caused problems with eye synchronization
Add support for new 3D Vision All In One PCs: Acer Aspire Z5673, Lenovo B520
Added the following 3D Vision game profiles:
Alice Madness Returns
Crysis 2 (including multi-player demo)
Dead Space 2
DeathSpank
Dragon Age II
Duke Nukem Forever
Dungeon Defenders
Dungeon Siege III
Fable III
Faxion Online
F.3.A.R.
Final Fantasy XIV
Homefront (DirectX 9 and DirectX 10)
Lego Universe
Need for Speed World
Portal 2
Richard Burns Rally
Rift
Section 8: Prejudice
Shift 2 Unleashed
Shogun 2: Total War
Star Wars: Clone Wars Adventures
Test Drive Unlimited 2
The Sims Medieval
Updated the following 3D Vision game profiles
MX vs. ATV Reflex
Monster Hunter Frontier Benchmark

NVIDIA Surround

Adds 3D Vision Surround support when using 3D Vision monitors with built-in IR emitters
Increase performance for GeForce 200 series, 400 Series and 500 Series GPUs in several DirectX 9 PC games vs. the latest Release 265 drivers. The following are examples of some of the most significant improvements measured on Windows 7 64-bit. Results will vary depending on your GPU and system configuration.

GeForce GTX 480 SLI in 3D Vision Surround:

Up to 109% in Aliens vs. Predator (5760x1080 1xAA / 16xAF)
Up to 107% in Burnout Paradise (5760x1080 2xAA / 16xAF)
Up to 267% in Call of Duty Black Ops (5760x1080 2xAA / 16xAF)
Up to 177% in Call of Duty: Modern Warfare 2 (5760x1080 2xAA / 16xAF)
Up to 15% in Far Cry 2 DirectX 9 (5760x1080 2xAA / 16xAF)
Up to 250% in Left4Dead2 (5760x1080 2xAA / 16xAF)
Up to 159% in Need for Speed Shift 2 (5760x1080 2xAA / 16xAF)

CUDA

Adds support for applications using CUDA 4.0 features such as Unified Virtual Addressing (UVA) and GPUDirect v2.0.

Other

Installs HD Audio driver version 1.2.22.1
Installs PhysX System Software to version 9.10.0514
Supports playing back Blu-ray 3D discs when connecting your GPU to an HDMI 1.4 3D TV. Playback requires compatible software application from CyberLink, ArcSoft, Roxio, or Corel. For GPU and system requirements, visit the NVIDIA Blu-ray 3D website.
Supports the new GPU-accelerated features in Adobe CS5.
Supports GPU-acceleration for smoother online HD videos with Adobe Flash 10.1. Learn more here.
Supports the new version of MotionDSP's video enhancement software, vReveal, which adds support for HD output. NVIDIA customers can download a free version of vReveal that supports up to SD output here.
Supports DirectCompute with Windows 7 and GeForce 8-series and later GPUs.
Supports OpenCL 1.0 (Open Computing Language) for all GeForce 8-series and later GPUs.
Supports OpenGL 3.3 for GeForce 8-series and later GPUs.
Supports OpenGL 4.1 on GeForce 400 series and later GPUs.
Supports single GPU and NVIDIA SLI technology on DirectX 9, DirectX 10, DirectX 11, and OpenGL, including 3-way SLI, Quad SLI, and SLI support on SLI-certified Intel X58-based motherboards.
Supports GPU overclocking and temperature monitoring by installing NVIDIA System Tools software.
Users without US English operating systems can select their language and download the International driver here.

Download for Windows Vista/7 32-bit
Download for Windows Vista/7 64-bit