This set of new drivers is tagged as Quadro driver (for NVIDIA's professional series graphics cards) however has support for some common GeForce graphics cards.

New in Release 258.49:

• Adds support for CUDA 3.1 for improved performance in GPU Computing applications. See CUDA for more details.
• Adds support for OpenGL 3.3
• ECC State (appeared in later Release 197 versions)
  New page for GPUs that support ECC (error correction code). The page lets you
  o Change the Error Correction Code (ECC) state for GPUs.
  o View GPU memory details.
• EDID Management
  Accessible from the View System Topology page, this feature lets you -
  o View the connector information
  o Get an EDID from a connected display and save it to disk
  o Force an EDID at a connector
  o Remove a forced EDID from a connector
• The SDI Capture page is now available with Windows Vista and Windows 7 drivers.
• Workstation application compatibility fixes. Please read the release notes for more information on product support, feature limitations, driver fixes and known compatibility issues.
  
  Existing Support:
• Support for the Open Computing Language (OpenCL) 1.0 in Quadro FX Series x700 and newer as well as the FX4600 and FX5600.
• Supports NVIDIA SLI technology (two-way SLI) for DirectX 9, DirectX 10, and OpenGL on SLI-certified Intel X58-based motherboard based system from select OEMs.
• Support for DDC-Ci/MCCS over the DisplayPort AUX channel.
• 10-bits per color (10bpc) DisplayPort support for full-screen applications on supported products.

We have an extensive discussion thread open on these drivers right here.