I liked it. Yeah, the climax was fairly nonsensical, but on a whole, it was good. Michael Gambon was fantastic, I like how the story was refitted for Doctor Who, and the Doctor wearing a Santa Claus hat riding a sleigh with a shark might be one of the most awesome things I've ever seen. :V
The preview for series 6 was nice, too. Can't wait to see it. Though, I couldn't help but think of
this when he said "I wear a Stetson now. Stetsons are cool." This "[insert cr
aaaaaaaazy article of clothing here]es are cool" thing of his needs to stop. It's getting old.