New driver for us guinea pigs to try. :D It's mostly for Eyefinity 6 support, but there are a couple of other fixes which might interest some users here:
Latest updates available in the ATI Catalyst 10.3b preview driver
ATI Catalyst(TM) support for ATI Radeon(TM) HD 5870 Eyefinity 6 Edition
This release of ATI Catalyst(TM) introduces support for the production version of Windows 7 and Windows Vista for the ATI Radeon(TM) HD 5870 Eyefinity 6 Edition.
Supports up to 6 displays (driven from a single GPU) operating together as an Eyefinity Display Group in both Windows 7 and Windows Vista.
The desktop mouse cursor issue (becoming enlarged at random when using Windows 7) has been fixed.
Fix for Severe flickering / flashing in Battlefield 2 bad Company
http://sites.amd.com/us/underground/tips/Pages/catalyst-10-3-preview.aspx