Check this out, ZuneScene linked to in Yahoo Business Article about Zune.
http://biz.yahoo.com/seekingalpha/060918/17046_id.html?.v=1Details are sketchy so far, but the device looks like an iPod with a bigger screen (pictures here [zunescene]), and word is that it will work within its own self-contained environment, with a store (like iTunes) and WiFi capability for perhaps buying content online without a computer, or communicating with local friends on some sort of social song-sharing network.