ATI has released yet another driver, usually the company releases only one driver per month but this time we've already received three updates. The latest release is Catalyst 10.3b, you can grab it over here.
ATI Catalyst(TM) support for ATI Radeon(TM) HD 5870 Eyefinity 6 Edition
o 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.
o 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