I have a Studiologic Numa organ that I ran through a Vent II recently, and through an original Vent 10 years or so ago. I am currently running it through a GSI Burn (thanks, Joe )
I sold the Vent only because I am running BX-3 on the Studio computer and didn't think I would need it anymore.
I do like the immediancy of the clone experience, and BX-3 is almost there. For example, I have to use a mouse to get the leslie sim into stop position using the Numa.
Numa model is now updated to a newer version (Numa Organ 2). The raw tone is dope and the C/V is excellent.
I believe Scott owns or has owned both models, maybe he will see this thread and chime in.
Roland organs don't get a lot of love on this forum, we are picky.
I remember Joey demo'ing the Roland VK7 at NAMM late 1990's, would have made anyone want to buy one who heard him play it.
As always, it's the carpenter, not the tools.