While it does not offer unlimited browsing access to millions of Yahoo's tracks (and thus avoids the user interface logistics of accomplishing that on a smallscreen), its walled garden provides an experience that is both satisfying and frustrating -- the former because it's so fun when it's connected and the latter because it so often is not.
Then summer came and went without a promised update that would include a simpler interface and a marketplace for Android apps made for the smallscreen.