I just saw a part of it (up to Miss Evangelista's death - of course, there's me wondering if there is any name symbolism going on there), and - well, it's entertaining, and the slightly creepy little girl is always fun (not to mention a slight twist in that she's also wondering what's going on, and it's sounding slightly like River Tam from Firefly with her reactions).

I haven't watched many of the Moffat episodes, though, so I can't really tell if there are cracks showing. Perhaps with time; and I will agree with you, even if an excellent writer has some chinks in the wall of words from time to time, someone who tries to do mad and entertaining and creepy and thoughtful all at once, it's much better than giving the actors a poorly-written script that sounds like it came off of an elementary school's writing project.