I like this Rory, it makes me moist.

I know you're trying to avoid the dubstep standard growl, but there is a whole world of nastiness you can do with Sub bass. Heres a few videos for you:

Coki- spongebob. A demon of a bass line!!
http://www.youtube.com/watch?v=QlEyR27fvGc

Coki- Burnin'- sexy sexy sexy track.
http://www.youtube.com/watch?v=N1q84ceFedo

Boom Bye Batty Boy- bit of dance hall ruffness.
http://www.youtube.com/watch?v=1iVoCUjWNSc