My MOA reds and Dreadies both have really large leaves. Quite a bit of the newer leaves are not quite as large. My largest MOA though is still producing some whoppers. None of my other chinenses are even close and i have a fairly good variety of them from virtually heatless too a ghost. My Beni Highlands last year had really nice foliage and they never got much more than 2ft tall. Still produced a lot of pods.
The tallest middle plant is my MOA. The two on the left are Dreadies and the one in the yellow bucket is a ghost.