Laptops

I want to get a laptop suitable for TurboCNC, and then later to use with Mach
1 or its replacement, anyone have advice as to what I sould look for on
Ebay????????? I will be using Geckpo 320'sas my drives.
I am finally getting my Emco Compact 5 lathe close to
running..................List Mom is the slowest of alllll............

Thanks for any advice.
bill