Now, the spoilers, wherein I grouse about plot holes, technological deficiencies, and assorted annoyances.
[snip]
Somebody sent me this article about the original screenplay. It answered many of my questions (and most of yours I think), bascially the movie we saw was vastly cut down and a lot of things which could have even been quickly explained were left out:
http://www.chud.com/articles/articles/21969/1/PROJECT-880-THE-AVATAR-THAT-ALMOST-WAS/Page1.htmlIf you liked the movie and was slightly frustrated then it's worth a read to get the gist of the screenplay without having to read the whole thing!
In this article Cameron says he will write a novel, which I imagine will be the original screenplay modified to fit the movie:
http://www.google.com/hostednews/ap/article/ALeqM5jXOYzLx-6QscSpCcZrBlfjmJ5mGAD9CNRKEG0edit: One gripe, I thought that the Avatar of Grace (Sigourney Weaver) was slightly too much like her, to the point of it being distracting. In some movies I like the fact that I don't know the actors, and her face in the Pandora world was annoying.