Never seen this go under £100 before... Free Delivery using AVforums.http://www.nvidia.com/object/3d-vision-requirements.html
Upgrade your PC to a fully immersive stereoscopic 3D experience with NVIDIA® GeForce® 3D Vision™. A combination of high-tech wireless glasses and advanced software, GeForce 3D Vision automatically transforms hundreds of PC games into full stereoscopic 3D.
Just slip on the stylish glasses and pair them with an NVIDIA® GeForce® GPU and a "GeForce 3D Vision-Ready" display to experience characters and environments come to life on the screen.
In addition, you can watch 3D movies and 3D digital photographs in eye popping, crystal-clear quality. Give your eyes something to talk about with GeForce 3D Vision. See what everyone is saying about GeForce 3D Vision or find a location to test drive for yourself.
** Important **
• The Nvidia GeForce 3D glasses require a compatible 120Hz LCD Monitor or DLP projector to function.
• Requires Nvidia GeForce 8800 GTX or above Graphics Card