Buy.com has a TRENDnet TK-407K 4-Port USB KVM Switch for $25.99 after $20 rebate with Free Shipping.
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- The TK-407K 4-Port USB KVM Switch lets you manage four PC’s with just one set of keyboard, monitor, and mouse. Switch between four PC’s with a simple press of a button! With its Hot-Plug, and Audible Feedback, the 4-Port USB KVM Switch is the perfect choice for managing multiple PC’s.