Just a quick post to talk about the Smart DJ feature in the latest release (Version: 4.0.740.0) of the Zune software. There are several web sites that read from a database of music-listening user preferences, and display music maps based on an artist or song (music-map.com, for one). Zune has taken that one step further with their Smart DJ feature, which allows you to select an artist, album, or a song, and have the Smart DJ create a playlist based on similar songs, artists, genres, or whatever black...