You're right about Pettitte, I'm not sold on him with the move to the juice box, but I do think one of my starters will emerge as a very solid #2.
Maddux bounced back with a 3.03 era second half of last year, and has pitched great in ST. Also being in between Wood and Prior should definitely help him.
Freddy Garcia fixed some ear problems that he's had the last couple of seasons, so he could possibly return to near 01' form.
Padilla has always been solid, and Myers could breakout this year. He was a highly touted pitching prospect in the Phils system. Maybe it's wishfull thinking, but I know every year there are always surprises.