I bought the 4 GB black nano the first day it came out. (Apple Store in Montgomery County, MD) I also have a Shuffle, which is fine for a small amount of music. The nano picks up where the Shuffle leaves off. This is the best of both worlds. The clear and bright screen gives quick access to playlists and the ability to browse my music collection, yet small enough to be ultra portable. Even for a small screen the photos I imported from my laptop look nice. I just wish it had a TV out feature. Maybe a 3rd party solution will come out.
Synching with calendar and contacts works without much effort. Having a few games to play while I am waiting is a nice touch. I installed a line-in to my car to allow me to play it off my auxillary mode. The sound quality is quite impressive.
To summarize, this is the best MP3 player I have ever seen or used.

