- Crossfading
- Double click folders in files tab
- Nice error messages
- Automatically install xine plugins
- Copy to library, move to library
- Global shortcut keys
- Clicking play plays selected item
- Save and load playlists from files
- Shuffle and repeat playlist
- Autocompletion from library when editing tags

- Edit tags in playlist view
- Disabled fields in tag editor

Long-term:
- iPod
- Automatic tagging from musicbrainz
- Album cover fetching from last.fm

Windows:
- Playlist delegates
- Document build steps