Omega drivers are modified ATi Catalyst drivers designed specifically to optimize your ATi card.
What's New in Omega Drivers?
(*) Based on the Catalyst 5.10a Beta drivers.
(+) Added support for x1800 cards.
(+) Enabled Adaptive AA by default for x1800 cards, disabled for the rest.
(+) Added 1280x800 resolution for both laptop and desktop cards.
(*) Reconstructed some tweaks to prevent any future compatibility issues.
(F) Fixed some minor resolution conflicts for laptops and integrated chipsets.
(F) Fixed a "Deja-Vu" problem in the installer related to Multires. =D
(+) Added the option to uninstall ATT (ATI Tray Tools), separate from the Omega uninstaller in the Start Menu.
Download: Omega Drivers v2.6.71 (Catalyst 5.9)
News source: Source - Omegadrivers.net