It has a bit similar interface to the Amarok but feels much simpler (which is good for my taste :) ). Few of the new features include...
*. Powerful/featured mp3 tag editor.
*. Edit multiple songs at once.
*. MusicBrainz meta tag fetching support (you know for getting track name, year, artists... stuff like that).
*. Easily track duplicate track via the new "duplicate only" option.
*. Now it has the ability to do a complete rescan of your giant music collection via a single click!.
*. CUE file support.
*. Bug fixes... are just a few to mention.
The PPA developers haven't come up with an update yet, but until that happens you can still manually download the files for both Ubuntu 10.04/ 10.10 and 11.04 through this Google code link.