2007 Jayco 38RDQS, See the below reasons to buy a Designer Fifth Wheel from Jayco. (1) Stronger outriggers/cross members. (2) Welded alumimum frame w/vacuum bonded construction in walls & roof. (3) Power Gear electric lide-out mechanism: low amps, tube-within a tude construction w/two drive rams. (4) Overall R-ratings (Roof R-21; Floor R-22; Tanks R29; Sidewalls R9). (5) Hardwood Cabinetry & wood accents & appointments throughout the coach. (6) Slide-rooms completely laminated (like Teton/Travel Supreme) vs hung glass which can warp & change the shape of the room. (7) Tongue-n-groove 5/8" plywood floors. (8) 80 amp converter. (9) 10 gallon water heater w/mixer, delivers 16 gallons of hot water. (10) Reinforced, Gel-coat, laminated, countoured fiberglass caps give great visual & are not going to "cave" at speed, or during intense winds.