For massive screen real estate, this switch supports sharing three DVI displays across four different computers. It is available at B&H Photo-Video-Audio for approximately $273.95. Key Considerations for Your Purchase

Ideal for power users, this switch allows you to control four computers with dual-head DVI video cards using one set of peripherals. It is sold through Simplified Computers for around $469.99. StarTech.com 4-Port Triple Monitor DVI USB KVM Switch Matrix Solutions& more Go to product viewer dialog for this item.

When selecting the best DVI KVM switch for your needs, keep these technical factors in mind: Go to product viewer dialog for this item. IOGEAR gcs1102 2-Port DVI KVMP Switch w/Cables

This is a standout "Best Buy" for standard desktop users. It features an integrated 2-port USB 2.0 hub for peripheral sharing and supports independent switching, meaning you can switch computers while keeping your USB printer or hard drive focused on the original PC. It is available at retailers like B&H Photo-Video-Audio for approximately $180.73.