Thanks a lot for the input folks. I will try some of that stuff out here shortly and report for future readers. In the meantime just got this email today from the jomox forum.
Jomox documents, manuals, sysex files and hex files for ROM updates :
http://www.jomox.de/download/Manuals/only operating manuals
and
http://www.jomox.de/download/for product specific files.