We expect these tasks to be complete by the third quarter of the fiscal year ending March 31, 2013.
we will begin work on the worldless party matching system
as well as the porting of all current content data and player
character data.
http://gdl.square-enix.com/ffxiv/dow...Outline_EN.pdf

"We Expect" by March 31st, 2013 that the above tasks to be completed then.

This should give a ballpark date as to when it's coming, and it's not anytime soon. but Beta is coming soon though. So look forward to that! I know I am!