So you have a pair of computers around your desk, both of which you want to control but you don't want the expense and loss of desk space that a pair of monitors will entail. Maybe one of them is a Linux server and the other a desktop -- or one could be a Mac. What you need is a KVM (Keyboard, Video, Mouse) switch that will allow each computer to believe that it is exclusively connected to the three devices that make up the user interface hardware, while allowing you to switch at will between them. Rose Electronics, a long-term player in this market and which claims to have invented the KVM switch, offers what is the lowest-cost solution that we've seen so far.