1: pretty good
2: does the magical realist metaphor thing to a silly extent .... What does inside my time stream even mean....and the leaf.....
3: Does it strike you that Moff imagined this as the anniversary special, and all the little cameos of past Doctors were planned as actual guest appearances?
4: DoctorWhoBuddy says " I can't remember the last time there was an episode with that much talking in it"
5: Really liked the idea of the Doctor's grave
6: Atmosphere of whole story very fine, actually.
7: Expected the mysterious man at the end to be The Great Intelligence who has after all been the Doctor twice, nearly
8: Actual ending genuinely surprising although arguably more structurally surprising than anything in the sense that it is not the way Who stories generally end.
9: In a sense it was one of those fan endings -- it isn't immediately clear what follows from it.
10: Are we supposed to think that Matt Smith is going, or are we actually getting the pay off on five years of hints about the Dark Doctor and setting up mysterious man at the end as a new ongoing baddy.
11: Congratulations on keeping it secret.
12: All told, pretty good.