Although the Cure is mostly pop band, it had few quite "rocky" tunes like Shake Dog Shake, Open, End and Us or them (which in my opinion has more blood and sweat than any Guns `n`Roses song).
I think also everybody, who have a "black-lip-pop" image from the Cure should listen it here:
http://www.youtube.com/watch?v=7oQ7WJhLHBk