SuperSync, a iTunes library synchronization and management tool, has been updated to version 2.4. SuperSync lets users synchronize their music libraries between multiple computers over the internet. The latest version adds a dozen new features, including a new look for the user interface, support for .m4r ringtone files and Ogg Vorbis audio files, the ability to copy user-generated metadata such as volume adjustment, grouping, EQ settings, ratings,?