Avatar – I saw this movie before

Just watched Avatar, and I'd really like my almost 3 hours back! Talk about over-rated. I saw an average science fiction movie laden with bright, powerful colors, Star Trek/Star Wars visuals, which was apparently to make up for the fact that the storyline for this movie was ripped from a bunch of different ones. I paused the movie to see how long I had been watching, and it had only been an hour, good thing someone else rented it, but, I watched the entire thing. One thing I missed was...