[I'm about to do up a new box for myself and it apparently has NO MB headers for Parallel or for PS/2. Based on some other-system trials, I would expect my USB --> PS/2 adapters to work well, so I should not have to give up my Omni Key keyboard or preferred mouse. But I'm not as sure about the USB --> Parallel adapter I bought, or whether one might overload and generate confusion with too many USB devices connected. Should that turn out to be a problem, I'll have to look at the other solutions, since all my own printers remain Parallel interface.]