DC42,
I would be interested in a driver-less version as well. Don't get me wrong, those 5160's are nice but I already have $200 invested in my hobby CNC's external drivers and when / if I make the switch from the UC100 to the Duet , I will also be getting a Duet wifi for my 3d printer. The thought of spending $400 + on the upgrade while shelving $400 in parts with no use is a real bummer. And I get that an $800 hit is nothing for most, but for a guy just trying to learn a new hobby....
Kyle