The Zune is not an indication of "how well they'll stack up," because by the time they released the Zune, Apple had already sold about 100 million iPods. This

The Zune is not an indication of "how well they'll stack up," because by the time they released the Zune, Apple had already sold about 100 million iPods. This time they're both starting from zero, so it'll be very interesting to see who gains more market fighting on equal ground. (Perhaps the first time we see them in this situation?)