ATI Catalist release 8.4

Latest news for ATI Driver, ATI Catalist 8.4 can support Windows and also Linux Operating system.  For Windows it's can work in XP, Vista and for Linux user ATI Catalyst 8.4 introduces support for the Radeon HD 3800 series (but not the Radeon HD 3870 X2 … yet), Radeon HD 3600 series, and the Radeon HD 3400 series. Also, these drivers add support for Ubuntu 8.04.

http://game.amd.com/us-en/latest_news.aspx?id=AMD000000027