It is something you would have to experience and see what you feel about it.
I like the infinites because I use it as a "panoramic ocean view" room. I never open/slide the balcony glass up and down since that does affect the AC. I use the "balcony" space as extra cabin space and keep the folding/doors open to feel more space but the balcony "window" always shut.
We have had an aft balcony on the Edge, but I did not much care for it. Yes that was a "real" balcony, long, open but I found that there was no shade. The over hang was about 4 or 5 feet from the balcony door so if you are laying on the lounge chair backing your balcony door, you would not be in shade completely. No protection from rain. The lounge chair would get it no matter what position you put it in. Also found them a bit narrower than other class ships on X aft balconies. LONG walk to the aft balconies, but did not mind that (same for aft section port hole balconies). View of course cannot be beat.