Well ive been around for a quiet while Freelancing and i know a few great designers that i admire and think their work is outstanding.

Jeff - http://www.mished.net
Gizmo - http://www.gizcore.net
Sixmode - http://www.thebigchris.com
Bryan Le - http://www.thelastronin.com
Blindchild - http://www.blindfate.com
Dan - http://www.loadingdeck.com

There is a few i might have not added, and the reason is that i just simply dont remember. I have seen some great portfolio links posted though such http://www.fubon.co.uk/. I think it has very touching music and such a brilliant curve of a genius artist.