I am looking at a 2003 Holiday Rambler Endeavor, with about 70,000 miles, and need to know if this is considered a decent coach. It has a 330 cummings diesel, a allison trans, 3 slides, and it is 36'10" long. Im wondering if this would work for fulltiming in cold weather? It does not have the aqua heat. Is this coach considered a mid, lower, or upper level MH? Also where is it in the Holiday rambler line?