College bookstores and campus music services might want to tune into this. The article below, which appears to be archived now, notes that Watersones is considering an MP3 vending kiosk to sell audio books. Knowing that more people, perhaps students in particular, are carrying MP3 players than CD players, this would seem to make a lot of sense. I'm sure the DRM folks (both hackers and backers) are licking there chops tho'
http://news.independent.co.uk/world/science_technology/story.jsp?story=614031 Who knows, one of these days, perhaps a wayward podcast or two will find its way in there too.