Jason Chen over at Gizmodo has spent ambitious 3 months with a Microsoft Zune player to get a real long term evaluation on how the player stacks up compared to the iPod:

If you want movies, TV, a larger music library, a touch sensitive scroll wheel and more accessories, you should still go with the iPod. If you want an FM tuner, music rentals, and a larger screen, there’s the Zune.

Zune: How We’ve Lived With It For Three Months [futgizmodo.com]