Most of my Residents collection is on vinyl but I did buy a CD-ROM they put out for Mac, even though I've never owned a Mac and so was never able to play it. But they were way ahead of the curve in that department.
I've posted a couple of links recently to videos by The Residents. This band has been together for 48 years, but no-one really knows how much the line-up might have changed in that time.
I've seen them twice in London, "The Mole Show" at the Hammersmith Odeon (as was) and "Cube-E" at Sadler's...