Thats odd, I would think any microsoft product could be found anywhere.
The zune does have some things going for it, namely the price and the fact that it can do wmas and such (I'm pretty sure anyway), which has better sound quality than mp3 (takes up more space also). It also lets you download unlimited music for $15 bucks a month, which is pretty nice.
The big problem I have w/ the zune, is that all that music you get you are basically renting it. Once you stop paying for the subscription, you can no longer listen to the music. You also can't move the music around nearly as easy as w/ ipods sharepod. There might be ways around their drm management, but I don't know.