I'd agree w/ MentalFrog that a Draenei makes a wonderful SPriest. We've got one in our guild and watching the racials work is fun. :) The Symbol of Hope spell is not as good as Innervate, but it IS group wide.
For Human Priests, Desperate Prayer is a nice "Oh Carp" button (use it fairly requently when OOM or in on-the-move situations where I can't take 1.5 or 2.5 seconds for a decent heal and Renew's just not working fast enough). Feedback ... is so useless, it's not even funny. It's even more useless than pre-review Elune's Grace. Sheesh. Before 1.10, it was sorta less useless, but still almost worthless. Now, it's one of the few abilities across all my toons (Scare Beast is another on my Hunter) that's not even on the action bar.