Hi Dave, I have mach3 running on this pc/nettop; Running with Windows 8. Acer Revo RL80 Nettop PC, Intel Celeron 1007 1.5GHz, 2GB RAM, 500GB HDD, NOOPT, Intel HD, Wifi, Also the U300 claims to ease the load on the processor see below, so far it has been excellent and very easy to work with. I will t...