Belkin SKORE 2-Port KVM Switch $15.99

The SKORE 2-Port KVM Switch lets you use one monitor, keyboard, and mouse with two PS/2-based computers. Switch access from one computer to the next with a simple hotkey sequence on your keyboard. Includes two five-foot built-in cables to connect your computers. No additional cabling or software is required.

Buy.com is carrying this 2-Port KVM Switch for $15.99