ATI Catalyst Control Center 8.7available here

This particular software suite updates both the AMD Display Driver, and the Catalyst Control Center. This unified driver has been further enhanced to provide the highest level of power, performance, and reliability. The AMD Catalyst software suite is the ultimate in performance and stability.

The Catalyst software 8.7 (for both the 32 and 64bit version of Windows Vista) contains the 8.520 version display driver (Catalyst 8.6 comes with 8.501), is dated June 25th and features support for almost every Radeon-branded card since the days of the 9500 plus the recently-released Radeon HD 4800 cards.