An incredible movie that should be seen in IMAX 3D. At first you think about the 3D and how cool it is, but then you begin to live in the experience and don't think much about the technology. The plot certainly requires "suspension of disbelief", but it is fantasy/science fiction after all. The sound was incredible, too. And the world James Cameron created is amazing and colorful. See it on the really big screen, but see it!