performance is in this thread

http://chaldee1.gotadsl.co.uk/~richa...t=intermediate

The performance of the apple intermediate codec is the best i have tested so far-

with this drive this is possible- in MacPro quad 2.66Intel - with x1900
8 layers @ 1024x768 25fps
8 layers @ 1280x720 25fps
4 layers @ 1920x1080 25fps
4 layers @ 2048x1080 25fps
2 layers @ 3072 x 768 25fps
1 layer @ 4096x2048 30fps ( maximum movie size supported in Catalyst m147 ) - Super HD