Expanded Psionics Handbook: Well probably but since this will probably screw up some of Echoes, I'm more inclinded to pick up Hyperconscious and see if there's stuff I can use out of that. So mark that as maybe.
D&D Map Folio I: Don't need maps. No.
Complete Divine: Even though I got all the PGs for Scarred Lands, a few little tidbits can't hurt. So yes.
Eberron Campaign Setting: I love Keith's work. So yes.
Planar Handbook: Yes if only to see in what ways Edge of Infinity is better.
Races of Stone: Probably not.
D&D Map Folio II: No.
D&D Basic Set: Only if it has minis. If not, no.
Monster Manual III: If it's a monster book, no doubt it's a yes.
Frostburn : I could use it for Albadia, so yes.
Eberron Whispers of the Vampire's Blade: Want to see if they measure up to Necromancer games. So yes.
Special Edition Player's Handbook: I didn't buy the special edition Ravenloft book. So no.
Libris Mortis The Book of Undead: You bet, if only to see if they FINALLY get Orcus right.

Yes.
Shining South: Probably not.
Complete Arcane: Again same with Complete Divine, yes.
Sharn : City of Towers: Sharn eh? Probably yes.
Races of the Wild: Elves and halflings?!

No.
Map Folio 3-D: No.
Will also be getting: Relics and Rituals 3 plus Creature Collection 4.