In some respects, you will not want the latest all-singing all-dancing computer system because of issues with latency and jitter (see Part 1). The computing requirements for running Mach3 are low, and a powerful, fast and expensive computer is not required. There are some choices to be made concerning computer systems, governed by the requirements of Mach3, and the issues of the parallel port and the use of Windows XP or Windows 7, as mentioned in Part 1.