Some of my favorite eletronic artists:
Techno- Carl Cox, Adam Beyer, Monika Kruse, Renato Cohen, DJ Rush, Misstress Barbara, Umek, Marco Bailey, Dave Clarke, Jeff Mills.
Minimal- Ricardo Villalobos, Richie Hawtin
Electro- Miss Kittin and The Hacker, Ellen Allien, Dr. Lektroluv.
You can find some good sets on LimeWire.