This is not dubstep. The melody is not bass, you are using your bass for beat. This would be more trance or DnB.
Sounds too techno and light at most parts to sound dubstep. Perhaps this would be light DnB if not for the little wobble at the repetitive tune.
Which is kind of real catchy, therefore I'm giving this an 8.
You sure wouldnt say you didn't made some dubstep before! That was just awesome man.
I like it :P
Although Dubstep is not my favourite genre I think you did a really good job! :)
Thanks Sonic! :D