Pinning down the Doctor's age at 906 in that conversation with Wilf annoyed me. OK, so he lies all the time and this whole 900 thing is nonsense anyway, but with all the travelling alone between seasons and specials Ten had plenty of gaps to stick spare decades into. I really don't like the idea of incarnations that are so short compared to his overall lifespan (I don't even like it with Nine, and I hate Nine).
I hope Moff has Eleven tell someone he's 1200 or something. That would be brill.