Boxee Box, combined with the file server, has been faithfully playing tv shows and movies for over a year. In our new apartment the wireless router is two walls and a floor away from the tv and Boxee causing intermittent connection issues. The obvious answer is to not use Wi-Fi.
Running an ethernet cable from the office to the tv is challenging due to doors and a puppy. There is another option -- use the air duct.
Our apartment is conveniently laid out. The vent in the office is adjacent to the router and the vent in the living room is less than two feet away (through the duct).
The problem is solved for now. I might have to revisit this option when the snow arrives and the heater is turned on.