Nadal should have 2 comfortable wins, I don't see Raonic beating him coming off his issues. But the QF match will be a test regardless of opponent, on this fast court, all four of those guys can cause trouble.
Fish I think has a good draw to make the SF.
Murray's draw is pretty tough, a lot of good players he'll have to play, starting R1 with Baghdatis.
I'll go with a Fish v Murray final with Fish winning. I think now that he's rested and gotten his body back together after the summer, he'll do well here, especially since these courts are so fast.
Baghdatis-Murray R1. Ouch. Especially since Baghdatis seems to be finding his form. Interesting, too, coz they both might still be tired from their respective finals (assuming Murray wins his SF match, of course).