Don't use Catalyst 9.1 - it's basically what the marketing guys released to appease the users. It's got no improvements and breaks all hardware accelerated playback of HD materials (H264 / VC1) - even Cyberlink PowerDVD won't be able to accelerate HD contents via Avivo. Only MPEG2 / DVD hardware acceleration works.
9.2 should be the one they've been working on for some time - that is, if AMD marketing nincompoops don't try to be smart a*s*s again. :)

