I really wanted to like it, but hearing the same "GYAAAAHHHH!!!" every time I attack drove me nuts. Maybe it's a dumb reason, but that is why I didn't buy the game after the demo.
If you're good at scrounging for ammo and aiming, you won't ever have to hear that. Of course, I completely agree the "emotion" was good for the first 5 minutes but grated quickly. I pity anyone going for a melee only run. --- We impose order on the chaos of organic evolution. You exist because we allow it, and you will end because we demand it.