You can probably make it work if you can create a custom resolution manually, but it will get reset after a restart or two, that's what happens in Vista 64 at least.
I was able to create the custom resolution, but each time the power desk se starts a message box pops up that says configuration has been changed, press yes to restart now. And after next restart it resets to the old resolution, and it even removes the custom one I created from the list. Does ...