Originally Posted by Webslinger

Apparently, there's an unlisted feature of Anydvd HD. It also "allows one to display the output of your HD capable video card on multiple monitors.

With an ATI X1600 I have successfully displayed HD movies on both my desktop and HDTV simaltaniusly through DVI-D (desktop) and VGA (TV) using PowerDVD Ultra. Before AnyDVD/HD this could not be done and the docs for PowerDVD Ultra state that the second monitor need's to be disabled to watch a HD-DVD (I confirmed this prior to installing AnyDVD/HD).

Three cheers to James and company for this unlisted feature"--wdgoldstein

source: http://forum.slysoft.com/showthread.php?t=1640