But everytime I go to full screen with something in QT or I start up Front Row, OSX defaults to expanding the video fullscreen on my MBP's display or it opens up Front Row on my MBP REGARDLESS if I put the dock on the external monitor (I go in to the display preferences and move the dock from my MBP to my external monitor). My external monitor is much larger and I'd like to use it as the main display. I DONT want to mirror the displays- I'd like to keep them separate if possible.