Pretty neat to hear his experience. He complained about the audio, so maybe he didn't know about magic lantern ;)
http://www.usatoday.com/videos/tech/2012/12/18/1778293/
For some who don't know the name, he's made some pretty famous movies:
- Saving Private Ryan
- Man on a Ledge
- Newlyweds
Also: http://daredreamermag.com/2012/01/24/ed-burns-on-making-an-indie-with-the-5d-mark-ii/
Could he have shot the whole film in 5d with magic lantern installed for RAW?