At an event in San Francisco Microsoft unveiled their vision for Windows Mixed Reality, announced SteamVR and AltSpaceVR are coming to Windows Mixed Reality, introduced the new Samsung Odyssey HMD, and kicked off the holiday shopping season by announcing the availability of pre-orders for Windows Mixed Reality headsets at the Microsoft Store. Microsoft also announced the premium Samsung HMD Odyssey which releases on November 11th and can be pre-ordered in the US only today for $499 (which includes controllers).