Advice on motion control Mach 3

[Crossfixer]

I'd go with the UC100 over that.

Even better, look for an Ethernet connected controller, like the UC300eth or UC400eth.

The AXBB-E is another good option.

Thanks just found this on cnc4you seems to be a good price too.
https://www.cnc4you.co.uk/UC400ETH