AMD just released the ATI Catalyst 8.9 drivers, you can grab them over here. New in this version is support for 1080p @ 50Hz for HDTVs, OverDrive support for Quad CrossFireX and preliminary support for OpenGL 3.0
Catalyst™ Control Center: New Display mode support
This release of Catalyst™ introduces 1080p @ 50Hz custom mode support for HDTVs for the ATI Radeon HD 4000 Series, ATI Radeon HD 3000 Series, ATI Radeon HD 2000 Series, and ATI Radeon X1000 Series of products. Users can configure their own custom 1080p @ 50Hz modes to best fit their display.
OverDrive™ support for QUAD CrossFireX configurations
This release of Catalyst™ introduces Overdrive support for QUAD CrossFireX configurations. Users can now over-clock each graphics accelerator’s engine or memory speed when running in QUAD CrossFire configurations using manual controls or the automated auto-tuning utility.
OpenGL™ 3.0 support - Phase 1
This release of Catalyst™ introduces OpenGL™ 3.0 extension support. In upcoming Catalyst™ releases AMD will continue to expand its support for OpenGL 3.0 extensions.