Hi,
I have started retrofitting my CombiMill from Siemens Sinumerik 3 to Mach3 with Kflop+Kanalog. You can look at my progress at http://goto.glocalnet.net/Bengt.CNC.pages5/ or/and at a local electronics forum in Swedish, but hey there are pictures too. http://tinyurl.com/23oarek