As much as I try to avoid "x for n genre" sites like this, I have to say that I really enjoy this one. It's really fun to move through the associations they've put together for artists I like already.
(Although their search algorithm could use some help. It can't find "Gilbert & George" when one searches for "Gilbert and George")
(Although their search algorithm could use some help. It can't find "Gilbert & George" when one searches for "Gilbert and George")