That I am not sure, but I did just check the psn store and you can buy it now. Now I don't know if there is a restriction or you can just go ahead and get it. I have mine preordered at Gamestop.
I have my Survival Edition pre-ordered from Gamestop and I am going to be the first in line to get it. I don't even remember the last time I was pumped to buy anything I pre-ordered. I know this game is going to be amazing, I can feel it. And it has nothing to do with the hype or the reviews it is getting.
Sweet! I am so getting the album from Music Unlimited.