I use RDS 5.5 for broadcast work, and apparently with Carrara's new patch, it's looking as stable as RDS.... So, that said, addressing the 30 / 60 fps question. I've been rendering full frame (not interlaced) AVI's at 30 fps. I import the finished product into After Effects and do whatever doodling I need to do there, then export as an uncompressed QuickTime. Then, I save the file on a Jaz disk, and move it over to my ancient Mac (on which I run Media 100 editing software). The animations are BEAUTIFUL in NTSC. (You just have to be careful about the compression schemes.) I've had people "in the know" come up to me after seeing a RayDream animation in one of my broadcasts and say, "so, how long have you been using Max?" I just smile....