So, I finally got around to watching Avatar yesterday. In 2d, not 3d, as it happens.
I enjoyed it a lot. It was fun, and yes, it even left me thinking. But it left me thinking in probably not the way that the filmmakers intended, because the core problem with it and the reason, I think, why so many people have a hard time with it, is because it is a great entertainment that is intellectually dishonest.
Spoilers below.