The Manufactures have Factory tours that let you get a look at their build process. I would recommend that you tour the plants of the units you have in mind. We ended up with our Newmar after watching the build process and touring the factory.All cabinets, walls and such are built in house by Newmar. Because the walls are not laminated and built 16" on center framing we will not have to worry about delam. I have a friend with a 39' Journey and it has been 1 problem after the next so I guess it can happen with any manf. to get a lemmon.