http://io9.com/5321644/holy-freaking-avatar-we-saw-25-minutes-of-camerons-weird-masterpieceThe post itself contains spoilers and sounds neat. I might actually go to a theater to see it if the final movie doesn't suck.
I just find it interesting the man is so invested in this project. He's apparently been at developing it for years, and has had the thing planned out to be a multimedia experience. Considering he wanted to make sure the game rights were put in hands of people he felt were capable(I'm not sure why he picked Ubisoft.)