There's a new ATI Catalyst driver out. This is revision 9.10
Official ATI Catalyst WHQL release supporting ATI Radeon HD 5800 series GPUs
ATI Catalyst 9.10 now includes full GPU support for the award winning ATI HD Radeon 5800 series GPUS!
Super Sample Anti-Aliasing for the ATI Radeon HD 5800 Series
ATI Catalyst 9.10 provides support for a new Anti-Aliasing method on the ATI Radeon HD 5800 Series. Users can now experience the high level of anti-aliasing image quality using Super Sampling anti-aliasing while maintaining good performance levels.
Highlights of resolved issues
Ghostbusters video game no longer flickers between desktop and game play when anti-aliasing is set to 8X and game resolution set to 2560×1600
Enabling Screen Space Ambient Occlusion option in Riddick 2 Dark Athena no longer causes the game to fail under Multi-GPU configurations
Severe flickering no longer observed while running 3D games/samples on specific HDMI displays with configurations using ATI CrossFireX technology in tri and quad modes
Desktop flashing no longer observed after driver installation and reboot with systems configured with Radeon ASIC in the primary PCIe slot and ATI Fire Stream ASIC in the secondary PCIe slot
Combat Mission Shock Force no longer fails after a duration of game play
Underscan/Overscan settings for TV can now be applied from the ATI Catalyst ControlCenter TV Properties Adjustments page
Changes to the All Settings and Basic Quality pages in ATI Catalyst Control Center -Avivo Video will now be retained after reboot