And then, at some points, the UX completely changed. It also started being spammy. Almost like the project was sold to some incompetent people. Then I felt like it lost its magic. It also happened to be the time when streaming from Napster became possible and I completely switched to it.. and then to grooveshark/deezer/all-the-others.
Winamp could have been Spotify but went in a completely different directions. Saying that may sound crazy, but that's what Netflix did. It was selling/renting dvd, saw streaming coming and did a full 180.