On the last trip I bought a Good Sam 7" GPS and returned it after the trip because it wasn't satisfactory. It was hard to read because of glare. I even picked up a hood for it. I doubted the instructi...
Garmin RV 760 is great. It doesn't always agree with other GPS units because it only route you where it knows it is safe for your RV. Sometimes you may see a better way that either isn't programmed or just maybe the weight limit is less than your rig weight, maybe!