I love the energy of the drums; the bass feels a bit squashed, maybe you over-compressed it or something? Actually, the whole track is a bit that way, except for maybe the high hats (?) on the drums. Still, I wish I could make bass this tight and energetic. The breakdown around 3:15 seems to go on a bit. I also think you have plenty of room to add in more of your vocal samples around the track—the high end frequencies are pretty sparse and open here.
Anyway, it's a great tune, almost got a breakcore vibe to it.