The new 10.1 reference drivers for ATI graphics cards (for Windows 7, Windows Vista, and Windows XP) are now available. ATI promised to polish quite a few things and offers numerous performance improvements throughout February and March releases. Here's are some of the promised the changes:

Performance Improvements:

• Left 4 Dead 2 ' Overall performance improves as much as 3% on ATI Radeon HD 5700 series products and ATI Radeon HD 5800 series products
• Crysis ' Performance improves as much as 3% on ATI Radeon HD 5700 series products and as much as 4% on ATI Radeon HD 5800 series products

Resolved Issues For All Windows Operating Systems:

• Confirmation dialog box will now appear while extending the display through ATI Catalyst Control Center
• "Enable Manual Fan Control" check box will now be checked when utilizing external tools to apply fan speed
• The display order will now reflect changes properly when Eyefinity is re-arranged while desktop is rotated to portrait mode
• Hot unplugging one of the displays in an Eyefinity configuration no longer causes rotation modes to disappear from ATI Catalyst Control Center

Resolved Issues For The Windows 7 Operating System:

• Enabling LCD Overdrive will no longer cause mouse cursor to magnify when moved overtop of the "Calibration Preview"
• DisplayPort "Lower Setting Applied" and "Link Failure" messages will no longer appear after driver installation and reboot with DP displays connected to the mini DP port
• Firefox now works properly and video no longer drop frames when playing Youtube clips with Adobe Flash Player 10
• CrossFire logo now appears properly in CFX enabled applications like "3DMark Vantage" or "Call of Juarez"
• Newly added custom modes will now appear properly in desktop area tree view
• Confirmation dialogue window will now appear when setting up Eyefinity mode
• 120 Hz is no longer missing from display modes for specific digital displays
• Specific configurations will no longer cause Ubisoft "Wheelman" to stop responding during gameplay
• Loss of HDMI signal may no longer occurs when viewing Blu-ray content, and re scanning for the HDMI signal no longer cause the entire screen to shift and display a green border
• Overscan/underscan issue no longer occurs when setting displays to HDTV modes
• Performance drop no longer observed during some scenes of Resident Evil 5 cinematics
• Blocky grass and trees no longer visible in Unigine "Heaven" in OpenGL mode

ATi Catalyst drivers in various Windows variant can be grabbed on the game.amd.com Drivers & Support Page.