Radiohead, like the Beatles, is one of the last high-profile bands to refuse to sell their music on Apple's iTunes music store. They apparently don't like Apple's practice of selling individual tracks rather than entire albums.
There are currently only three Radiohead songs available on iTunes, all as part of soundtracks and compilations. But head over to 7digital, and you'll find all of Radiohead's albums plus some early singles, available in the 320 Kbps, DRM-free MP3 format.
According to an EMI, Radiohead refuses to distribute via Apple -- even through Apple's DRM-free iTunes Plus store -- entirely because of Apple's policy of selling tracks individually:
Prices are in UK pounds, but 7digital apparently lets you purchase albums from Radiohead, EMI's other artists, and other bands from anywhere in the world using a credit card or Paypal.
Thanks for the info to Blog.wired.com.