I do not think you can go wrong with a Weber and is what I use at home and planed to buy for the camper. That was until my neigbur who camps with us showed us this one in action.
http://www.costco.ca/Nexgrill-Portable-Propane-Grill.product.100030478.html
Cooks even, runs much hotter then any smaller BBQ I have seen and all parts are stainless steel. Below are pictures of my conversion from the tank connect to the quick connect.
http://s1265.photobucket.com/user/x96mnn/library/RV%20BBQ?sort=3&page=1