I am on my 4th RV. I have had pop-ups, Travel Trailers, Class A's and now a 5th wheel and I have treated and used them for what they were designed - recreational vehicles.
Mine was built in March of 06 and I bought it off a dealers lot with standard options.
My problems have been minimal mostly my stupidity.
Like leaving the awning out during a thunderstorm. Can't blame Keystone for that one