I don't need Loras and Renly making out, but Margery Tyrell was excellent (and hot!), so that made up for it a little bit. I loved it when she asked him if he wanted her brother to get him started or if he wanted her to turn over so he could pretend she was Loras. Awesome!
They did a good job handling Tyrion's little game which could have been very confusing but wasn't. Pycell's beard being cut follows the book, as does his admission to being involved in John Arryn's death which is what started everything when Robert replaced him with Ned.
We are at the part where the Reed siblings would come in if they are going to, so I guess we'll find out in the next episode or two whether they will even have those characters. The conversation between Bran and Maester Luwin was almost word for word from the book.
Theon's part was also well done I thought. They covered a lot in a short time as far as understanding Theon. He really is stuck a bit between competing loyalties, and you can't blame him for siding with his family I guess, but his ultimate actions are still unforgivable.
Arya's part was good too, Yoren was great, killing a bunch of them after getting shot by the arrow.
The differences from the book are actually good to me. They advance the plot in the right way most of the time to remain consistent with the book, but they keep it interesting for me. But less guys kising, ick.