WotC Seeks New D&D Setting -- "Wizards of the Coast, Inc. is searching for proposals for a new fantasy setting (“Fantasy Setting Search”). Such a setting may serve as a vehicle for novels, roleplaying games, card games, miniatures, and other entertainment products. In scope and flavor, your proposed fantasy setting should be similar to our existing settings, particularly Forgotten Realms and Dragonlance.”
Full details can be found at EnWorld.Org.
The entry form and rules are here: New Fantasy Setting Rules Document
I know my thinking cap is on!