I read Brian's review of Se7en, and while he makes a lot of arguable points, I'd like to contend with just the biggest gripe. Why one character over another? Why did Pitt's wife instead of Freeman die? Why did any one of them die?
Rather than attribute this to bad writing, perhaps it's a direct result of the emotional tension Spacey's character has been going through. Yes, he was cold and calculating for over a year. Do I think he planned specifically for some manly copy with a pretty wife to come along? Probably not. In fact, he probably didn't realize he was going to be the vehicle for the completion of his "work" until he was close to being captured. To that end, I suspect he was flying by the seat of his pants during the last portion of the film.
Why did the hooker die when she wasn't guilty of lust? Why not the john? Yes he suffers and doesn't die, but imagine what pictures he has in head now and everytime he beds someone. I daresay he'll be suffering more and longer than the hooker did, so Spacey did his deed to satisfaction.
That's all.