We have an 2005 40e Mandalay since new and we love ours. The windshields of the 04 and 05's lacked support. Most of them have been repaired which require a factory visit. Folks at Thor have been great to deal with. Remember Thor is one of he largest and healthiest RV companies so you will probably have parts availability for the life of the bus. Also look for paint and /or fiberglass checking (small bubbles) all manufactures have issues with this due to bad fiberglass curing from the glass manufacturer. We have the 350hp Cat motor which seems to work well. Ours also has a side radiator. Good luck, hope you guys enjoy.