I hear what you are saying. My old pc is dieing, so I need to use my newer one which does not have a pp. So the need for the smoothstepper card. The tb6560 card is just a pain to set up, and I wish to upgrade to mach4 sometime and would like a card more suited to mach.i hate cheap unknown quality chinese stuff as there is know redress and it takes ages to sort any faults.this is why I am asking what make of a good middle of the road bob is available in the uk.