I just found this, apparently USA Today recently wrote an article on this site.
http://www.anthologyrecordings.com/
They specialize in selling downloads of really obscure 60's bands. The information is buried, but unfortunately they're selling mp3's, although drm free.
http://www.anthologyrecordings.com/abou ... ction=faqs
Wolfgang's Vault is still MP3 only also, grr.