Official websites for US/EU were using a teaser/placeholder until now, they have just changed them into a community-like website where CM's will be able to keep us up to date. They also added a lore section for those interested, and many basic info about classes and gameplay, for further info, as always, check aionsource's forum.
Aion: The Tower of Eternity Aion: The Tower of Eternity - New Fantasy MMORPG by NCsoft