I am looking at a Class A 2003 Newmar Mountain Aire (38') and a 2003 Holiday Rambler (36'). Both are gasoline engines. Assuming the price is about the same and miles are same, I'm trying to figure out which one is the best value overall. I had a London Aire 5th wheel and it was very nice, but have never had a class A in either of these brands. Any comments will be appreciated. I am curious about the structure of them, the roof, walls etc. Major problems, major pluses or minuses? I've heard that the HR has metal sides, so no delam problems. I am not trying to start a brawl between owners of either brand, but I really would like to know some of the good and bad points of either/both.