1. Enhancement to 'Simple' mode: now supports .m3u playlists options
   
2. Enhancement to 'Simple' mode: now supports the artist/album subfolders hierarchy options
   
3. Enhancement to 'Simple' mode: diskspaces req./avail.now show correct values
   
4. iTunes Folder playlists are supported again after iTunes reclassified them
   
5. iTunes Folder playlists can now be 'Live updated': any 'smart' child playlist can be updated during the sync
   
6. Minimum requirement is now iTunes v5
   
7. Minimum requirement is now Mac OS X 10.4

Update: Three reports from OS X 10.3.9 users have indicated that this version has an error reported by iTunes when requesting information. Until this can be fixed users of 10.3 should use SyncTunes v 1.5.1