I Have:
1. Linkstation Pro 320GB (LS-GL)
2. version 1.03-0.51-jtymod5 Firmware: http://oh1jty.toimii.net/linkstation/ (openlink and freelink are not yet available for the LS-GL)
3. no UTF
Note that this was all pretty experimental, although it works great. Information about it can be found in this Linkstation Wiki Forum:
http://forum.linkstationwiki.net/index.php?action=vtopic&forum=16