So I may have gotten drunk and bought a ps3 specifically so I could play this game.
Worth every penny. Deadspace 1&2 were the last games that made me this tense.
Stealth is a big thing in the game, and as my usual approach is "shoot everything that moves", its even more challenging.
There are some areas where you just don't have the means to fight your way through, but I'm not used to having the option to just sneak past/bypass everything. So I die about 10 times before I remember I can.
It's awesome, but you need serious time to play. Mostly due to the time you spend scrounging around for resources.