Can I just say, re: End of Time preview clip...
Doctor, I'm really happy for you, and I'mma let you finish, but the Master shagged the hottest red headed queen of all time.
Evol Time Lords/Redheaded Queens OTP.
(Like I'm going to pass up an excuse to post that picture. Hah!)
Also, Doctor, have you learned nothing from all those *other* times the Master has come back from the dead? Seriously, you ought to be used to this sort of thing by now.