The HotHardware guys show us exactly what we can expect from the new Catalyst drivers that bring along CrossFireX & hybrid CrossFire support.

"In addition to the typical batch of performance enhancements and bug fixes, the v8.3 suite is going to deliver official support for three and four GPU CrossFireX and Hybrid CrossFire configurations, plus some new anti-aliasing features, previously unavailable tweaks for video playback, and GPU LCD scaling, among some other things."