>It's not universally supported, but in the case that I've used (with a variety of Matrox cards) it's done through the Matrox Display Control Panel. There's an entry in NTFAQ discussing the Matrox configuration, and listing some other cardsa capable of dual monitor support.

Oh, thanks, I found the 2000 CD and loaded that anyway. How do you setup Multi-Monitor anyway? Or do you know multiple Video cards in before it becomes available?