Their 2008 EP Drippers (Graveface) was packaged with five scratch-and-sniff scents, and Eating Us includes a 16-page booklet that can be refolded to create different images. Oh, and the cover art has hair.
The best bands constantly change, metamorphosing against sameness, labels, and the death of ideas. BMSR continues to evolve from the dimmest corners of the mind into transcendent swaths of weirdo-pop sensibility. It's almost like the Beatles, if they got behind synthesizers, went underground, and never emerged from 1967. Almost.