Hi Tony
I have done exactly what you describe based on exactly the same reason (one company buying another).
Today we have a "mother" system (1 Primary, 2 Secondary's, 2 Render stations, 1 EVO and 2 CTP's) running at site 1.
On site 2 we have 1 EVO and 1 CTP. The EVO runs 1 Bit Tiff files...