[which is why I replaced the old one with it]
Last night's Who: uh?
Fanboy fact (courtesy dosk): the opening credits where originally a fan film/project which Steve Moffat saw and then offered the maker the job. It looks eerily familiar until it isn't and seriously, just plain disturbing all-over.
Uhm, that's it on my nuanced commentary (there may or may not be a less nuanced post somewhere in the ether)