Oh, almost forgot:
http://www.reddit.com/r/movies/comme..._game_trailer/
Asa (kid who plays Ender), did a very ad-hoc AMA in the comments, and says he'll see about doing an official one later/tomorrow.
A big
over his admitting to being poor at Starcraft (and the inevitable ribbing that remark caused,
considering....).
That said, it's reddit, so anyone who doesn't want to be spoiled about anything and haven't read the books, you'll likely want to avoid that thread.