you have the right idea
you have the right idea going for a truly spectacular song
your bases and reverbs come in too gradualy, contrast too much, and are a bit too harsh
to get a better idea of a good version of this form of dubstep go to http://www.youtube.com/watch?v=vcg06W ppwyI
every one has different tastes when it comes to dubstep so my idea of good music might differ from other people
other than that, good job