I've completed a ten minute long Dubstep quickmix of tunes featured here on NewGrounds. I'll post the quickmix on YouTube.com, and link to it here. The tracks include...
Raikoh - Dont Want Your Life
Dredloch - Human Impulse
MkieNedachi - Imutation Winse
Yix1337 - Mindless
CrackHeadTrent - Ataristep Massacre
You can find these tunes within the Audio Portal. NewGrounds Dubmix mixed by Dredloch and Nate-B. Be sure to check out NewGrounds Dubmix Vol1!