here's a few of my favs;
one be lo, freestyle fellowship (aceyalone, micah 9), pharcyde, madlib, jaylib, quasimoto, scarub, the grouch, mind clouders, diggin in the crates, cormega, fat lip, gravediggaz.., beatjunkies, dj babu, charizma & peanutbutter wolf!
check 'em out!