> But then MoI crashed XP entirely to a black screen reboot,

I'd definitely recommend updating your video drivers... The full XP crash is a sign that something is going wrong at the video driver level. It's still possible that MoI is sending bad data to the video card or something, but I'm somewhat more suspicious of the driver itself right now. If you update your driver to the latest version you can take that part out of the equation.

I seem to remember that there was a problem at one point with nVidia and dual-proc machines.

- Michael