Your spoiler tricked me not once, but twice now. I see a spoiler, and I instinctively try to open it.
Actually watched a bit of Sin City the other day, and saw the part involving Kevin. It was...creepy. When he was killed, I felt that it brought no satisfaction like the death of antagonists in other films.
Weird, man. Whe he killed Kevin, I was all like "oh that son of a bitch finally died!" I dunno, I guess it's really all about immersing in the main character and being angry for the same reason he is angry. Did you like the rest of the movie?
Haven't gotten around to finishing it yet, since I've been busy with university. But of the half I have seen is very good.