I'm using VNC to control my Mac in the living room from my Thinkpad laptop. The Mac is attached to a TV for watching movies and to the Hifi for listening to music. It would be great if I could set up a "virtual" screen device in OS X so that I see that screen when I connect to VNC, but when I play videos or turn on the iTunes visualizer it plays on the main screen, i.e. TV. Is this possible? All I need to do is fake OS X into thinking there's a screen attached, I think.