Zune software 4.0 becomes available today, in a significant update timed to coincide with today’s release of the new Zune HD player.
Among the new features: Quickplay (an up-front graphical display of content you’re likely to want to play), Smart DJ (creates playlists based on an artist, track, or album in your collection or in Marketplace), [...]

When it comes to music subscriptions,  Zune Pass has “a huge edge” over Rhapsody’s subscription service, according to this analysis from Ed Bott.
Those two are the only major music services that offer subscriptions, which in my view is the future of music services. If you’re into all-you-can-eat music, Zune Pass is the way to go [...]