This felt very much like a "bridging" episode, setting up for things to come.
We finally met Olenna Tyrell who is great (come on, you have to admit that).
I can't wait for Jaime getting his lesson and becoming less... Lannister. Soon. And all those scenes between Arya and the Hound.
Oh, and isn't it about time for Sam to kill that Whitewalker? I can't remember how far in the book that was.
And, of course, the Red Wedding, though I guess that'll be at the end of Season 4, so I have to be patient *G*.