Hi Ross,
I am in Sydney and used to have an SX3 with a power feed which failed. Unable to find a circuit or somewhere to repair it, I bought a replacement. The Seig SX3 was also sold as a Grizzly in the USA but was unsucessful at finding a circuit for the power feed. When the main mill motor started giving problems, I sold it and bought an RF-45 type mill. Standard A/C motor with a mechanical gearbox and no fancy electronics to go wrong.
Still have the old, broken power feed and would like to fix it for use on my new mill.
Paul.