AMD rolled out the Catalyst 11.6b hotfix, an update that resolves BSOD, screen flicker and mouse pointer corruption issues. You can download it at AMD.
AMD Catalyst™ driver 11.6b Hotfix Features:
Resolves the following issues:
Blue screen erorrs (BSOD) seen when connecting a HDMI and DisplayPort based display to an AMD Radeon HD graphics product when using AMD Catalyst 11.6
Screen flickering when the system is idle
Mouse pointer corruption found in previous AMD Catalyst releases
AMD Catalyst driver support for systems with the following AMD products installed: