Rafael,
Thanks for the help, I’m using the FireWire port but still getting choppy results. I’ve unchecked warn for dropped frames and it doesn’t help. As far as I can tell the drive I’m using should be able to go up 400 MB/s but I’m still not getting RT speed. At this point I’m wondering if it might be something else, like a pulldown rate or something because I’ve been through every option I can think of and still dropping frames.