I had mastered about 20 percent of the overall capability of each, simply because the manuals were a poor translation from the Japanese and were virtually unintelligible. I think this is quite sad, really, as the JV1080 in particular is a magnificent module. I just wish I'd known how to...
If you were offered a Roland JV2080, complete with Session expansion card and software editor, for around half the price of a JV1080, you'd probably wonder what the catch was. OK, so the JV1010 isn't quite that, but it comes surprisingly close......
I bought one off ebay a couple of weeks ago, and after working with it for a while, I've come to realize it's a truly unique, incredible machine. I use the Motif ES, Prophet '08, JV-1080, and JX-10, and this module (I bought the D-550) is simply stunning. Liquidy-fluid yet...