Shipping late April.. They're already taking orders - I just placed mine for a free LA6 upgrade ($8 shipping). Tech support provided the following upgrade details:

"Registered users who purchased the Logic 5.x full package after December 1'st are eligible for a free upgrade to Logic 6.x. Purchasers of the Logic 5 update from 3.x or 4.x are not eligible for the free upgrade and must purchase the 6.x upgrade for $129. Please call our sales department for information on obtaining the upgrade."

Sorry - should have qualified that as coming from emagic usa. Not sure what the situation is outside of the U.S.

P.S. Hey mods - my "edit" button has disappeared! Any clue?