what gov doesn't?
You should be able to set up a second display.
The 8600 GT can run two monitors so you need to plug both in and go to the Nvidia Control panel and enable multiple displays. nView will let you set each monitor's res to fit. I set up a system with two monitors using a 9600 gt and it works well enough.
One little quirk though was that if you are running MC on your second display you can not enter full screen mode as it will set on the primary display and black out the secondary. So you can run the MC in windowed mode and strech it to fit the second display.
Should go pretty easy for you.. just enable two displays and drag MC to the second.