Greetings. I currently have a low mileage 2006 Roadtrek 210 Popular in which my wife and I had a terrific trip this June (one month, 6400 miles). Recently in my SoCal neighborhood I came across a 2009 Itasca Navion diesel, 24', 42,000 miles. It intrigues me as it is only a couple of feet longer than our RT. In general, I wonder if the Itasca is reliable and would it be more costly or less to keep up than my current RT? Also, it seems it is not uncommon in looking at used RV's with...