The Motorola DSR-550 supports DVI-Dual link connections instead of DVI-Single Link connection. What's the difference between the two? Dual link enables a higher resolution (1920 X 1080) and more channels. You can view 2 displays simultaneously (see
http://www.pacificcable.com/DVI_Tutorial.htm). HDCP is being tested right now, and will be on the DVI outs full time very shortly. HDMI, is not supported right now.