I was looking on gamespot forums when I found something...interesting. Apparently, the monster hunter skin is a free download on the jap and hong kong psn's... So I made an account...now I know what your thinking... "Your an Aussie, that dlc won't work because it's for hong kong" Not so, right now I have the skin equipped, no joke...all for free. So now I don't need to use the 'femme fatal" skin types as them, I'm running around in this XD Also, with my...singaporean (I think it is) copy of bioshock 2, I'm gonna try the Aussie dlc on it...the hong kong one wants me to pay for it all, in the aussie it's seperated and one of them is free. IF this works, it'll prove that not all dlc is region locked unless it ask for a certain disc code.
I grabbed a Lost Odyssey DLC off the japanese Xbox live and it worked just fine with my game. DLC isn't usually region-locked to my understanding so I doubt there's going to be an issue.
... Looks like bioshock 2 wasn't the same, the "kill them kindly" mode didn't show at all... My only chance is a hong kong copy...but the shop has it all as one pack-not seperated like the aussie store