The Titanic Avatar

I recently came across the trailer for James Cameron's "Avatar", a 2009 3-d science fiction space-fantasy epic. Basically what i can gather of the premise is amidst a intergalactic species energy war, a disabled war veteran is promised the use of his legs again, if he undergoes a transformation to turn him into an "avatar" of a mix of both himself and one of the blue tribal space aliens the marine is to fight, for space minerals that equal high dollar energy.. wow sounds a bit inflated to me, but i figured this somehow fit into this sort of realms digital media ideas have kind of flourished and been embellished in the creative mind. I mean move over Sim's..im gonna be a real living, breathing blue furry man tiger man. Anyway, yeah. I left a link to the trailer so you can see for yourself. I mean i loved Terminator, but im not sure what to make of this.