“Technologizer has learned that rumors surrounding the fourth generation Zune model are indeed true, and Microsoft’s music player would be getting a high-definition upgrade sometime in the fall, most likely in September or October.”
http://technologizer.com/2009/04/10/confirmed-zune-hd-is-fourth-generation-model/
http://www.engadget.com/2009/04/10/is-this-the-zune-hd/
