I believe that the 26er is the most versatile charcoal grill out there, especially if you can get your hands on a CB roti kit. The roti ring give you plenty of extra height if you need to do large cooks. But even if you can't find one, you can easily add a "second layer" by utilizing a 22" grate.
Second Story That give you room cook 5 or 6 racks of ribs at one time.
You can also, obviously, use the charcoal baskets for smaller cooks so you don't waste briquets.
But, obviously, the 22" has, by far, the most accessories and the Kamado has a lot going for it as well. I am not dissing either of them as an option.
BD