Ummm... Yes, there have been revisions to the OS on the EM2000. And they are downloadable & installable yourself. Unfortunately, I can't remember what version is the most current as I am not near my keyboard.
You really should joing the R-A-G list. It is a group of friendly helpful people who will answer your questions and more. And they are working on a "secret project" right now that may interest you.
To join, look at... http://www.daytonamusic.com/rag/
It is well worth it.