Ok, top 20 in no order, IMO, from what they earned and did on the site.

Shadows Edge
Enygma
L.I.
Socrates
9th Degree
Native (chrit)
Mimesis
Led Poetic
SPuL
Flow Intelligent
Pop Lotty
SmokaJoka666
Ambient
World Famous (feeble)
E Looch (though he was MAD OVER-RATED)
Nostradamus
Jack The Ripper
Poppa Kap
God