Here's my comparison of each Doctor's eighth stories:
1) The Empty Child by Steven Moffat2) The Satan Pit by Matt Jones
3) The Tomb of the Cybermen by Kit Pedler and Gerry Davis
4) Pyramids of Mars by Stephen Harris (Pseudonym of Robert Holmes and Lewis Greifer)
5) Mummy on the Orient Express by Jamie Mathieson
6) Vincent and the Doctor by Richard Curtis
13) The Greatest Show in the Galaxy by Stephen Wyatt