Thanks guys! That is good to know. I'm guessing from looking at comparison photos that the DL3's & D3's are pretty much identical except that the DL3's are stretched a little in front & behind the rear wheels allowing for an extra window. I like that the windows & bays below line up perfectly. I am thinking of a floorplan that would be something like this, although not to exact scale:
The picture didn't format well transferring from publisher to paint, but you get the rough idea. The living area would have a sleeper sofa with 3 swivel captains chairs/recliners.