This is a new area of dubstep that I am quite intrigued by. It has come under several other terms, deathstep and transformerstep to name a couple.
It could easily be seen the same to Electronic music that Rage Against the Machine are to Rock. The extreme violence of Rage's lyrics are here translated to brooding bass and their furious guitar riffs are translated to lashings of heavy wobbles. Due to these similarities Gorestep has become a popular area of dubstep as metal and rock fans can relate to it.
However, it does have some big problems. The tracks are, as previously suggested, chaos. Due to this lack of rules and boundaries it appears that anyone with Ableton or Fruity Loops has decided that they can do it. Some tracks I have heard from this genre are literally painful to listen to. The problem I see is that these pretenders could potentially ruin the reputation of the genre.
Artists such as Excision, Datsik and Trolley Snatcha are commanders of this area. Their heavy music is a new area of dubstep that is slowly gaining momentum and recognition.
Trolley Snatcha - We Rock the Forest
Excision & Datsik - Invaders