From The Guardian:
Here it is then, our first glimpse of James Cameron's Avatar, his first fiction film since 1997's Titanic, and the film that is supposedly going to mark the true dawn of the 3D revolution. Shot using a revolutionary new motion capture "fusion camera" system which Cameron helped develop himself, and set in a future where humanity has found its way to the stars, the film centres on Jake Sully (Sam Worthington), a wheelchair-bound marine who is given the chance to walk again via a new, alien body which he can control remotely on the distant planet of Pandora, a lush, rainforest-covered extraterrestrial moon populated by the three-metre-tall, blue-skinned Na'vi.