Gefen offers HDMI Switcher
The HDMI Switcher from Gefen comes with four HDMI inputs and two HDMI outputs. The DVI sources and displays can be connected with a HDMI to a DVI adapter and when combined with a HDMI extender, the displays can be extended hundreds of feet from the source. The unit has an IR remote control. Multichannel digital audio and high definition video for each source is routed to both displays at the same time.
For more information about this product, call Gefen at 800-545-6900 or visit the company's web site at www.gefen.com.