GeForce Forceware Vista 177.92 64-bit

NVIDIA issued a new beta driver this morning. It's the full monty and includes the PhysX drivers as well. The driver has precision GeForce Forceware Vista 177.92 and supports GeForce 6-series, 7-series, 8-series, 9-series, and 200-series GPUs, including the newly released GeForce 9800 GTX+, 9800 GT, 9500 GT, and 9400 GT GPUs.

• Adds support for NVIDIA PhysX acceleration on all GeForce 8-series, 9-series and 200-series GPUs with a minimum of 256MB dedicated graphics memory (this driver package installs NVIDIA PhysX System Software v8.08.18).
• Experience GPU PhysX acceleration in several full games and demos today by downloading the GeForce Power Pack.
• Adds support for 2-way NVIDIA SLI technology with GeForce GTX 200-series GPUs on Intel® D5400XS motherboards.
• Supports single GPU and NVIDIA SLI™ technology* on DirectX 9 and OpenGL.
• Supports CUDA™.
• Supports Folding@home distributing computing application. Download the high performance client for NVIDIA GPUs here and join the NVIDIA team: #131015.
• Supports GPU overclocking and temperature monitoring by installing NVIDIA System Tools software.
• Includes several 3D application performance improvements. The following are examples of improvements measured with v177.92 WHQL versus v175.19 WHQL driver:
• Single GPU increases up to 11% in 3DMark Vantage (performance preset)
• Single GPU increases up to 11% in Assassin's Creed DX10
• Single GPU increases up to 15% in Bioshock DX10
• Single GPU increases up to 15% in Call of Duty 4
• Single GPU increases up to 8% in Enemy Territory: Quake Wars
• 2-way SLI increases up to 7% in Bioshock DX10
• 2-way SLI increases up to 10% in Company of Heroes: Opposing Fronts DX10
• 2-way SLI increases up to 12% in Enemy Territory: Quake Wars
• 2-way SLI increases up to 10% in World in Conflict DX10
• Includes numerous 3D application compatibility fixes. Please read the release notes for more information on product support, features, driver fixes and known compatibility issues.

We have a discussion thread open on these drivers right here.