I haven't seen Shrek yet, but it looks great. I was reading an article on the filming of Final Fantasy the other day, and it is amazing the process they had to go through. There were in essence three actors for each character. There was a body actor which they used to map the skeleton for lifelike movement, their was an actor for facial expressions, and a voice actor. Just imagine the complexity of getting that all to work together and seem real. Most impressive.
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"The object of war is not to die for your country but to make the other bastard die for his."
-General George Patton (1885-1945)