Some pictures up of season 3 that were posted in the Game of Thrones thread:
http://www.imdb.com/media/index/rg353147392
Looks like they did a good job on casting so far, really like the Black Fish. I expect some great gritty acting from Baric and Thoros as well.
The Red Wedding is just a few months away, the masses are going to go nuts with frustration. Very few parts in a book have made me drop the book saying what the fudge as I read it..