The Weber Q series is definitely a popular choice among RV'ers. You see them everywhere. For my taste, the Q doesn't get hot enough. We like our steaks and burgers charred on the outside and med-rare inside. We had the Q-120 and it just would not do that for us.
After a lot of searching, we settled on a Solaire carryout. It's an IR grill that is the hottest I have ever used. If you like to slow cook anything on low heat, this is not the grill for you. Even at it's lowest setting, it is really hot. For us, though, it is perfect.........