If I recall correctly, someone in the last few months was talking about a great freeware application that allowed you to control multiple computers (with with its own monitor) via a simple software application. Unfortunately, I can’t find the thread any more because I’m a moron and my PHPBB searching skills are lacking.
Yeah. Synergy. It’s on sourceforge. I’ve been using it for the last year or so to switch betwen 2 PC’s and a Mac OS X box. The cut & paste transfer sometimes only works one-way. I haven’t figured out why, but it’s annoying sometimes.