I just added a Roof Top Carrier to our Unity and wow is it nice. We will not be using it all the time but only when we go skiing. Made by Thule and it is the Alpine version. <br/><br/>We now are full on the roof.<br/>600 watts solar <br/>Spare tire behind it<br/>AC<br/>Weingard internet<br/>And a couple of antennas <br/><br/>Todd<br/>