I was wondering this because the specs for the graphics chip on NVIDIA's site (http://www.nvidia.com/object/geforce_8600M_fbs.html) state that this chip is capable of hardware decode of H.264 video, among others. I also know the Unibody MBPs that came out late last year have a different build of Leopard that accomplishes this. If the GPU is capable of it, is it possible to enable, or is it already doing so? I guess I'm not really concerned if it isn't, but I've been watching a lot of Hi Def TV shows in iTunes, and it made me curious. Thanks!