I just saw this and thought that I should share.... Turns out that season 3 of the show will cover only half of book 3 and season 4 will cover the other half... Bogus.
http://tv.yahoo.com/news/game-thrones-producer-says-hbo-series-may-last-010600056.html
There are two big things that better happen before this season is out. I'm sure we'll get at least one, but the one I really want might be put off till next season if this is true. Two HUGE twists in the last two episodes might be too much to ask for...