Forza Motorsport 3 is simply an amazing racer. Visually it is stunning.
The game attracts such a hardcore fanbase that the developers built in the ability to play the game on three consoles so you can use three monitors to simulate a full windshield.
To take things one step further, Turn Ten put together a rig that included three monitors, high end controllers and full motion control. The result, we were warned, can cause vomiting.