Most of the guys who did the "stunt' work in Avatar train in various LA gyms on a constant basis. Watch the rolling credits and you may see a few you know.
As of Sunday night, 20 December, it made $232 million worldwide but I've been told that it has to clear $750 million before it even begins to make a profit.
I saw it in Imax 3D and really enjoyed it a lot and let out a hell of a holler when Force Recon was mentioned and was pretty damn proud on how well Sam Worthington played the part of a US Marine even when he fell asleep on duty
But one of his lines was, "I used to be a Marine!" which was poorly written because - ONCE A MARINE - ALWAYS A MARINE!
I think James Cameron was once in the Corps and I'm darn surprised he let that line slip into the script.