Ahhh, sheer bliss! Back from the IMAX theater after seeing Avatar again, fourth time now for me, this time with our Eastern PA Scikotics group...
Here's a good video about how they did the animation for the movie - the actors had to physically act out all their parts with motion suits on, not just stand at a mic and voice their lines... really amazing to see the split screens of the actor's and their animation's motions and facial expressions in real time sync...
http://www.youtube.com/watch?v=OJ1JzYPjcj0