Over the last several years I have had three Aliners. Like most anything else they have advantages and disadvantages which to a large extent is determined by how you intend to use the trailer. The big advantage of the Aframes is quick set-up / tear-down and that is a big plus if you don't intend on staying in one place for many days. Also the lightweight allows for a smaller more economical tow vehicle. If most of your use will be to go a short distance and camp for a while, you might as well get a box trailer that is more spacious and has a bigger bathroom. I have both an Aliner and a larger non-folding unit. If I plan to travel, the Aliner is great. If I'm going not too far and am staying in one place for a while, I take the non-folding unit. I'm 6'1" and the sloping roof has never been a problem for me.