Well, I've searched for a SDK release date and all I found is this:
http://www.theforce.net/games/articles/qa_jediacademy.shtml)
At the VERY bottom of the page you'll see it :(
Anyway post any new information you can find on this here please.
ATTENTION: ******NO SPECULATING!!!!*********
Only facts you can prove with internet adresses PLEASE :D