Musicovery

I like online jukebox/radio sites like Last.fm and friends. Musicovery is of the same idea, but I like their interface better. You place a dot anywhere you like on two axes, one going from dark to positive, the other from energetic from calm. You can choose hits, non-hits and dicovery mode, genre, as well as period of time. You can also see whats music is coming, and skip ahead to songs that catch your eye.