Ugly Bill / Special technique worked with Workhorse to get a machine going. It has both the Workhorse and Special Technique logos on it. It is a really simplistic, low profile, delrin slingshot style rotary with a carbon fiber a-bar for a slight dampening.
They will be available for $350.
We have one at the shop that I have been using as a liner, and it is pretty legit.
It has a little bit of a buzz to it, but that in a sense adds to it's performance.
Seeing how it is Workhorse Irons, they will have replacement parts available.

as a side note, the one-off machines that Special Technique will start making will be compatible with the replacement parts available through Workhorse Irons.