I see soooo many people embeding thier own tunes in hear, its kinda gutting, because I held back...
But, if we're on it, Ill list a few of my peoples heh...
1.> Policy. Not really crackley but comes to mind straight away when I think brilliant music with a dubstep background.
http://soundcloud.com/policy
2.> Whyrez, merging dubstep, garage, and some ambient beautifully.
http://soundcloud.com/whyrez
3.> Matthew Cradduck /De-Real ... not sure where I put this cat, but he sends me some classics waiting to happen, often find myself wanting to visit the house stage more listenin to him.
http://soundcloud.com/matthewcradduck
4. > Martello Rotativo ... very 2steppy, serene, but still just technical enough to fascinate. And class guy too.
http://soundcloud.com/martello-rotativo
5. > Man deadly habit pushing instrumental hiphop forward lately, and has sent e some of the most serene, reversed-strings kinda dubstep bits I could ever ask for.
http://soundcloud.com/deadly-habit
6. > Others worth mentioning : Qwaycee, Assassin, Phrex, Kochari, Netrik, Dub-Fiend, Legend4ry, Dub Fiend, Basic A. (couldnt resist)