By the way have you seen that? Unfinished Project - Fixed Gantry M/C - 500x400x100mm Approx - Cost over £3K in parts

I live in Spain and there are constantly transports going from here and back to UK. Must be same with Portugal. Cause more or less that's the machine for doing aluminum. I would change the Z rails to square supported, but that's not expensive as they are very short. And having in mind that the machine is working already, you could do that as first job.