That would be a bad buy at 5,000 pound even a 1000 would be to much for a machine like that and that old, they where not very good when they where new, don't go by the name and German made they all started somewhere and this was one of those early machines they made
Cad and Cam software has nothing to do with what machine you have, you customize the post processor for the output G Code program to suit the machine control you have