Playstation Blog announced, once the PSN store gets running (still uncertain), they'll be doing multiple updates per week until they catch up. This means more posts in these threads to scan quickly past, sorry.
Mortal Kombat is what it is. Of course the bosses are cheap as hell. (1% more health than Goro? Time for a 60% damage unbreakable combo) But it's not really different than any other version of the game, is it?