Finally you post something I can listen to. I've been waiting forever. And it's even better that its frickin' sweeeet. I think you nailed the dubstep vibe, but I was concerned that the wobble/fidget was drowned out sometimes by the other effects. Also, it sounds to me like you may have sidechained one of your synths, the one that comes in around 0:40, which doesn't usually work for dubstep because its not "4 on the floor" kick drum. But other than that, it sounds tight, like something I would listen to.
The sidechaining was an unintentional result of the conversion from logic to mp3, so... :(