I searched and read a lot of reviews before deciding which MP3 to buy.  The big seller for me was the large screen.  If you plan on watching movies on zune, which I highly recommend, the screen is awesome.  The quality and sound is very good.  Right now I have about 2,000 songs and 30 movies on my 30 gig zune and there is space still available.  Another really great thing about the zune is that you can continue to update your zune even if you have an older version.  They have already come out with newer versions after mine, but I still get to have the latest software even if I have an older...