The Aion Website has release dates for Aion, announcing the MMORPG will launch in North America on September 22, 2009 and in Europe on September 25 of this year. They say in addition to a retail release, the game will be released digitally via NCsoft.com, Direct2Drive, and Steam. Since those who preorder the game can access the closed beta, they also send along an updated beta schedule:

Friday, 3rd July to Monday, 6th July
Friday, 17th July to Monday, 20th July
Friday, 31st July to Monday, 3rd August
Friday, 14th August to Monday, 17th August