The decent thing is not even on the table for consideration. Greyhawk IP is a goldmine for WotC. The names of spells, dungeons, deities, magic items, monsters and NPCs will be pilfered from Greyhawks' corpse and used as nostalgic touchstones in the new edition.
I wish with all my heart that WotC would release Greyhawk to some super interested third party or at least contract Mr. Mona to do an updated Campaign Book to be released after Eberron. The Expedition book is the first release for 3.5 from Wizards for Greyhawk and the only since the Living Greyhawk Gazetteer, a six year lull. I don't see it as a priority to WotC to get us an updated CSB.