The A frame trailers are faster and less involved to put up than the usual popup with pull-outs and all. If you try one at the dealership to see how it is to put up and take down, that will help you know if you can handle it. As for your current unit, you already know what it's like... not all that strenuous, but it takes a while to deal with all the details.
The A frame looks great, and eliminating the canvas can be a real benefit to those who do not receive great enjoyment from the "tent" feeling. Less concern about packing up wet canvas, listening to it flap in the wind, hearing the bear outside the RV. And no splinters from the plywood of the pull-outs when you have an A frame.
There is certainly nothing selfish about getting a trailer that you think suits your current needs better! But like Terryallan pointed out, needs can change rather quickly (and sometimes surprise you). It is hard to plan for all possibilities.
Mike G.
Liberty is meaningless where the right to utter one's thoughts and opinions has ceased to exist. That, of all rights, is the dread of tyrants. --Frederick Douglass
photo: Yosemite Valley view from Taft Point