Radiohead was in the news earlier this month because they have released an electronic version of their new album "In Rainbows" asking for people who download it to pay what they think it's worth: Review in Rolling Stone The album can also be purchased as a boxed set with two CDs and a vinyl disc.

Other groups are following Radiohead's lead (thanks for the link, Nicole):

Let Their Music Go Free

And there is other related news:

iTunes DRM-free tracks drop in price back to 99 cents

Led Zeppelin to Make its Songs Available Digitally

Nine Inch Nails Totally Free Agent