DisplayPort - A Look Inside
 

I think a lot of that comes from people not understanding exactly what DisplayPort is all about, other than a reason to get more money out of consumers. DVI is just fine, right? And HDMI is DVI’s replacement, isn’t it? These are a couple of the common questions I’ve seen crop up since the DisplayPort 1.1 specification was approved by VESA back in April this year.

http://www.bit-tech.net/bits/2007/10..._look_inside/1