Another one you might want to try is Rdio (available in the US and CA currently). Good interface and social features.
You kid, but there is a project:
I don't know where it stands, but there it is.
As a side note, anyone interested in reading more about the history of the Internet should pick up a copy of "Where Wizards Stay Up Late: The Origins Of The Internet" by Katie Hafner and Matthew Lyon. It was a good read that I recommend (and not just because I learned that three people who played a significant role went to the same high school that I did).