Brian - Coincidentally, I'm doing a render now while surfing (don't tell the boss!)and all is well. It could very easily by the demo version. As for display, yes, take it out of OpenGL mode. Your display rate is a slave to your video card and I suspect that under OpenGL you'd need a high-end card like an Oxygen or similar to get the performance that you want. I've experimented and my GeForce II MX at work isn't butch enough for it at 1280 x 960 (gee...I wonder if that could be the problem... ;-) ) TomD