ATI just released ATI Catalyst 9.9 for Windows 7, Windows Vista, Windows XP
Highlights of the ATI Catalyst 9.9 Windows release include:
Resolved Issue highlights
Highlights of the Linux ATI Catalyst 9.9 release include:
Support for new Linux operating systems
We have a discussion thread open on these drivers right here.
Have you read our MSI Radeon HD 4890 Cyclone SOC edition review ?