Ben, beautiful rig. Well thought out and well executed. You made a lot of great choices for 4 season, full time travel, anywhere except south of the U.S. border. How about some interior shots? The w.b. is short enough to not require any 3 or 4 point suspension of the box. Have you twisted up the axles to see how much frame twisting/deflection occur? Is the box mechanically tied to the cab? With a rather short chassis RAM you shouldn't have much deflection compared to a same capacity Ford chassis.
jefe