Is There Really A Difference Between Brands?

Hard to say over time to be honest. Some units are going strong while others are junk. Even within a brand you have some Friday afternoon Gilligan builds that were junk the day they were sold and others were great units. It appears that right now Grand Design is running the crest of good quality and customer service. Take your time shopping looking at new and used units, the used give some picture of quality. Find a good supporting dealer that isn't just a sales lot. Then do you're self a favor and do a detailed Pre-Delivery Inspection, grab one of the many check lists and don't accept the rig if it doesn't pass, have them fix everything before you sign for it. They are a lot more eager to please to get it out the door then after the sale it seems.