While 3D is all the rage at CES this year, we learned today from the BDA that one of the biggest sources of 3D content isn't what it could be. The first thing that could, should, be better is the limited support for frame rates. Movies have been recorded at 24 frames per second for longer than our parents have been alive, and for about the same amount of time we've had to endure frame rate interpolation to make movies play back on our 30Hz TVs -- you know, like 3:2 pull-down. That changed recently with 120hz LCDs and 72Hz plasmas because those numbers share a common denominator with 24 (so the same frame is just shown three or four times). Well so much for that because the fra