Texans Ken and Patty Urban would do one thing differently if they had it to do over again: Rather than trading their way up the ladder from RV to bigger RV to luxury motor coach, they'd start nearer to the top. The top, in this case, refers to a luxury motor coach that resembles but should not be confused with a recreational vehicle, commonly known as a motor home. Motor mansion would be more accurate. Or castle. Or as some refer to them land yachts.