hardware

• i-O Display Systems
  the manufacturer of the i-glasses
• virtual realities
  the new manufacturer of the i-glasses head-tracker

distributors

• klostermann multimedia
  german distributor of VR products, including the i-glasses +
• mindflux
  an australian i-glasses distributor offers a good list for i-glasses compatible games.

information

• Stereoscopic 3D Virtual Reality Homepage
  complete overview of 3D-glasses, VR-helmets and 3D-software