Ok, the cheap pintail was just that, cheap. More maneuverable, but weird concave, etc.
Enter the Globe All-Time plus Waterborne, watching a few how-to-surfskate videos, and a couple of hours of practice and we get this:
Sure feels like a MK on meth.
I'm starting to think this same thing, but the Waterborne lets you add a cheap adapter to any board and play with it. Granted, I've now spent more than the price of a Carver with these experiments, but I'm having fun trying different stuff!