I have a problem with unoriginal film ideas, so it'll be no surprise that I have reservations about this re-hash of the classic story. It doesn't look atrocious, but at the same time I'm guessing it's not going to redefine anything either. As flawed as Baz Luhrmann's attempt was, at least he had a refreshing approach. One thing I will say to its merit is that it has cast age-appropriate actors (just about) and I was very impressed by Hailee Steinfeld's performance in True Grit. We'll just have to wait and see.
I read the book on which Ender's Game is based and, though slow-moving at times, was an interesting read. As long as Hollywood hasn't turned it into another dull Space flick I'm on board.
Lastly, the new film in the Hunger Games trilogy, Catching Fire. I liked the first film a lot more than I thought I would, but this one has a much tougher job in pulling an interesting adaptation from worse source material. The book was fine, but the plot contrivance to get our heroine back into the arena was painful to say the least. We do get the introduction of a new character though (Finnick Odair, not seen in the trailer) who is pretty damn awesome.