As visual treats (excepting Kylie) are off the menu, how about the voices you just can't get enough of hearing. Could it be called aural perving?
Here's one I just can't hear enough. Justine Frischmann from Elastica
and one I just wish was mine. (Chromeo - So Down)
EDIT: having trouble getting the videos embedded..........
8th EDIT: cracked it at last.