Yesterday ATI released the latest version 10.1 of ATI Catalyst graphics driver software for Windows XP, Vista and Windows 7. There are various performance improvements in this release for the 58XX series of ATI graphics cards,  as much as 3% while playing Left4Dead and around 4% increase in Crysis. Most of the Windows 7 issues have also been sorted out in this release.

Download ATI Catalyst 10.1 for Windows 7

Windows 7 32 Bit Full Catalyst 10.1 suite, size 52 MB

Windows 7 64 Bit Full Catalyst 10.1 suite, size 70.1 MB

Download ATI Catalyst 10.1 for Windows XP and Vista

Download from here