I agree the space is wasted and can be useful, but I don't know that I would use the doghouse for monitors I wanted to keep an eye on. My Terra had one drinkholder on the wall next to the driver's seat. Beyond that, I had nowhere to put things like sunglasses, a snack, etc., within reach. I bought a small storage unit and mounted it to the doghouse for that purpose.
For monitors, I think the huge flat dashes are also wasted space. I would suggest mounting monitors there, where one can see them without having to turn one's eyes down and away from the road.