It doesn’t look like we have a general thread about FF14, just one about the beta signup.
The launch dates have been announced: September 30, 2010 for PC, with Collector’s Edition access on September 22. PS3 availability TBA. There is official information on the Japanese and North American FF14 sites:
http://jp.finalfantasyxiv.com/#/about/game_info, if you can read it. :)
Edit: They’ve updated the NA site, too. The main page has been totally redesigned, but here’s the link to the NA availability and pricing information:
I have to admit that this is rather earlier than I expected to see this happen. The beta is reportedly only starting soon. And why, oh why does this have to launch so close to Civilization V? :P