Real-Money Auction House online at Wednesday, May 30
Blizzard had to move the date of the release of the real-money auction house because of the server problems after the release. New date May 30.
The new date for the release of the real-money auction house will be on Wednesday, May 30. Blizzard had change date for the release from May 22 because of all the server problems.
There is also an update of the Auction House FAQ