We purchased ours in August of 2011, love it! The tankless hw heater works well, and seems to keep up well with my family (wife and 3 daughters) which means it is working a lot! We have taken it out several times since with no problems yet.
With the slide in, the only thing really accessible is the forward bedroom, and a cabinet or two in the kitchen...that slide really squeezes her up tight so a person would have to climb over the couch and dinette to access anything rear of the sink (which I don't advise) I would buy one again...however...we are currently looking to upgrade to a fifth wheel (I bought a bigger truck after getting the tt
and will definitely buy another wildcat