This episode was not the best episode of Lost, but certainly not the worst. The highlight, by far, was seeing Claire in action once again. Emilie de Ravin is doing a great job of portraying this new, crazy Claire. She literally stuck an axe into a man's gut! It was really unexpected and so out of character for the Claire we remember from the first four seasons of the series. It is clear that this new, revamped Claire is a lot more dangerous than ever before.
Matthew Fox kind of impressed me in the flash-sideways scenes. He's a good actor. Unfortunately, his on-Island storyline was not as exciting as I had hoped. First of all, it seemed weird to me that he and Hurley would leave the Temple without taking both Sayid and Miles with them. I understand it was necessary for storyline purposes, but it still seemed unusual. Oh well, I will not nitpick that development to death.
Things are interesting, and there are not a lot of mysteries for the writers to explore throughout the rest of the season. I am eager to see how things unfold, especially since the finality of this season seems to be bringing out the best of all actors involved.