Bump. I am curious too.
Have a Samsung 22"(DVI, Analog) and BENQ 22"(DVI, Analog, HDMI) and an older Samsung 19" (DVI, Analog)
I have almost the same rig as JoshLindsay. With no edits I can get my BENQ 22" HDMI to run at 720p on the 1680x1050 monitor. I have been unable to get the secondary...