I downloaded the madmapper demo: I have a 17" macbookpro running under 10.6.8, 2.66ghz intel corde 2 duo with 8gb of ram, Nvidia 6400 GM/GT, 256 mb of vram. tried to load a 720x404 h264 .mov and added a simple quad but I get a horrible frame rate (5fps?) and even the basic menu funcions seem sl...