Some people are just luckier than me. The folks at Still Motion put their hands on a 1DMrkIV and had the great idea to make a side by side video comparison with the 5D and 7D. Read their comments here and check out the clip.
Thanks for posting this up. I prefer the “look” of the 5d footage but the 1DMKIV seems to have the best control in terms of the rolling shutter issue.