Dubstep is pretty sweet. My favorites at the moment are Broken Note and Skrillex. I'm also working on a couple of my own dubstep tracks. It's pretty amazing stuff to listen to, makes for a nice foot massage if I prop my feet up on my sub or a soothing head massage through my headphones! XD Here's one of my faves by Broken Note:
Broken Note-Let 'em Hang