So, Dubstep has many subgenres. But these are the most prominent ones today. If someone doesn't know Dubstep that well, this can give them a good little perspective.
I'd like to know everyone else's top 5 though!

Intro 00:00
Riddim 00:44
Brostep 02:43
Melodic Dubstep 04:48
Deathstep 06:22
Chillstep 07:40