Just read that the new Arcooda upright pincab will be pre-loaded with Pro Pinball Ultra Arcade Edition. So there has been activity at some point in the last couple of years I guess.
http://www.digitalpinballfans.com/showthread.php/14200-Arcooda-Introduces-the-Dynasty-Vertical-Pinball-Machine?p=292312&viewfull=1#post292312