Thinking Of Cnc'ing A Rf45 - Which Steppers?

Hi all,

I'm a complete noob to the world of CNC and was hoping I could get some advice to point me in the right direction. In terms of capability If I could convert a mill to replicate the capabilities of a Tormach 1100 that would suit the projects I have in mind just fine. I'll be cutting mostly steel with some 3D surface milling thrown in.

Here's the mill Im looking at:...

Thinking Of Cnc'ing A Rf45 - Which Steppers?