From FSInsider...

Acceleration and Matrox TripleHead2Go: The Perfect Match

Important information regarding using TripleHead2Go with Flight Simulator X: Acceleration

The Matrox TripleHead2Go expands Flight Simulator X across three displays, providing a panoramic view that lets you see more of your virtual cockpit and improves your flight visibility at the same time. This extended view provides a more realistic flight experience by fully engaging your peripheral vision on the side displays.

More on their site...