Very nice indeed - looks like a 5D mkII maybe? You have a very nice collection of lenses etc. to go with it!
I have a more modest setup with a Canon T1i and a couple of L series lenses too. Where did you get the rig with the rails, follow focus and all? I have been looking at the Red Rock stuff but it seems a little pricey....
http://www.redrockmicro.com/
Looks like you are also using an external audio recorder with a mic and windscreen. Which recorder are you using?
You should be able to take some very nice cinematic looking footage with that rig - cheers!