NVIDIA Forceware 270.61 WHQL XP

# 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.

# 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 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 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 and OpenGL.
* Supports GPU overclocking and temperature monitoring by installing NVIDIA System Tools software.