D-Link 2-Port KVM Switch w/Built-in Cables $14.99

The D-Link DKVM-2K is a 2-port PS/2 based KVM switch for controlling two computers using a single monitor, keyboard, and mouse. The DKVM-2K minimizes clutter on your desktop with its compact design and convenient built-in cables. Ready to work right out of the box, the DKVM-2K requires no drivers, extra power supplies, or accessories and is compatible with all Windows Operating Systems.

Buy.com is carrying this 2-Port KVM Switch for $14.99