Last week marked the fourth month the Zune has been on the market, and its sixth month since being officially announced. We know the Zune was in development all the way back into 2005 -- so why the hell is Microsoft having such a hard time ironing out even the basic kinks, let alone adding features? Wasn't the whole reason Microsoft went into the portable media hardware business because only vertically integrated solutions seem to be able to guarantee a vaguely acceptable DRM user experience? Read on at Engadget