Planning: Kinect-friendly space

We recently got a Kinect, and it threw our orderly living room into great disarray.  The game that comes with the bundle, Kinect Adventures, needed eight feet of space in front of the sensor (for two players).  In our house, this meant moving the coffee table and our not-unheavy sofa.  And we had to stand pasted to the wall.

We eventually solved the problem by rotating our whole media setup to another wall, which was a month-long project.  But if we ever move, I'm going to search for a living room with the following dimensions: