No, sorry. I've never looked at projectors. My house is...well...cozy, in real estate agent's terms. I limited myself to a 40" LCD and bookshelf speakers to keep things in proportion to my room size.
Looking at your floorplan again, I can almost see a little period-style projection/equipment room in the back with the light from the projector shining out of a little glass window through the darkness, just like at the theater. All the equipment could be set up in the back room and controlled discretely by a programmable remote. That would be cool (to me, but like I said, I don't know much about this stuff.)