Last week I tried out the 5D in Philadelphia - here is a link to the video
A couple moments in Manayunk on Vimeo
I learned quickly that hand holding this camera is tough - I've improved my technique already. I cut this directly from the Canon H264 files (with all the attendant stutter and pauses). In the last week I've learned to switch to a friendlier file for editing.
I used my old Nikkors with an adapter, also ordered three more for the other lenses since then. Shot with my 20, 50, 85 and a 120~300 2.8 Sigma (a nice piece of glass!)