Hardware proliferation was more of an issue with those formats. I think lacking a visual component is an issue, too, though, so what I think would work is combining a high-res multichannel recording of the album with a concert from the supporting tour. This release would come out well after the CD/download releases, of course, so the companies can have their double-dip, and the people who want the multichannel recordings don't have to feel totally taken advantage of, since they're getting a bonus concert to go with it. Of course, this mainly works on new releases, so they would have to figure out a way to add some accompanying video content to the classic albums being referred to, if they wanted to stay consistent. I'd be game to buy audio-only Blu-ray releases, but it would be a lot easier for me to justify if they also came with CD-quality FLAC versions or a CD itself so I could still rip the music for portability.
