Imagine combining this with an Oculus Rift, so that you can make your house look however you want within the level, and you can move around through this new world. It would take virtual reality to an entirely new level
SIGHT: http://vimeo.com/46304267
Instead consider you won't see the actual items in the room. Polygon shapes will replace "real-space" items (coffee table, sofa, bed, doors) but can be dungeon items (for D&D) or items in an evil corporate waiting room (a la Mission Impossible or Metal Gear).