Well, the day was upon us, and all I can say is...
Wow. I really liked the episode. Certainly, it's not Moffat's best, but then again, after episodes like The Empty Child, it was never going to be. That said, it was still a great episode, and the opportunity that the extra time afforded him looks to have been siezed with both hands.
Overall verdict for the episode: {>{>
As I said on facebook though, dear goodness that Christmas Teaser :o