just saw this on Slashdot...

HD Monitor Causes DRM Issues with Netflix
"When I called them they confirmed my worst fears. In order to access the Watch Now service, I had to give Microsoft's DRM sniffing program access to all of the files on my hard drive. If the software found any non-Netflix video files, it would revoke my rights to the content and invalidate the DRM. This means that I would lose all the movies that I've purchased from Amazon's Unbox, just to troubleshoot the issue. Because my computer allows me to send an unrestricted HDTV feed to my monitor, Hollywood has decided to revoke my ability to stream 480 resolution video files from Netflix. In order to fix my problem, Netflix recommended that I downgrade to a lower res VGA setup."
Entire article at:
http://davisfreeberg.com/2008/01/03/bad-copp-no-netflix/