I changed from Mach 3 to Centroid based controls so I have some parts available.
Warp 9 ethernet smooth stepper Rev 2 $90
PMDX-126 Breakout board Rev A3 Two available $90 each
PMDX-107 Spindle control Rev D1 Two available $30 each
Novakon Breakout board Rev 5.2 $100
Shipping in Canada or the USA is $20. If you buy more than 1 item the shipping will be $20 total.