I am building a CNC router with stepper drives. I am leaning toward Mach3 for the control software. My question relates to interfacing the PC to the machine.
I would like to better understand the pros and cons of connecting using parallel ports or a dedicated motion controller. I will commit a PC to the machine and don't care if it is a desktop instead of a laptop. I am mainly interested in performance related comparisons. I did some searching and found dated information on ncPOD, but didn't see anything current.
Some information that would shorten my research as to best approach and current product offerings would be much appreciated.