Lots of good suggestions - if it were me, I'd make sure I pick up Book of Eldritch Mights I & II, along with HEROES OF HIGH FAVOR: DWARVES if you want good content for players. I picked up Book of the Righteous at GenCon, and than is one huge book, but with lots of fun ideas.
Good thing you're assembling a list beofre your trip to the store. That way, if the proprietor asks you, "What bwings us togevvah todahy?", you have an answer ready.
Sorry, couldn't resist...