Since the current availiility of class A's with anything but a straight axle front end is quite limited and generally owners spend lots more time parked and living in our coaches. I would not allow the presence or absence of any suspension to be a deal breaker either way.
I've found very little difference in overall maintainance or performance one way or the other in about 80,000 miles on three different coaches. I can't go further with that thought since I've traded every unit at about the same mileage, 80,000. Although that has been the trend so far, I don't see any way that I will be replacing my current Dutch Star any time soon and it has 80k+ as of last weekend.