Well this maple has been in development for a few years (due to an accident the right side of the tree is being rebuilt) but the nebari has always been bothering me. I really like it on the right side but it seems to drop off bluntly on the left.
I'll be looking forward to seeing this. I have trouble with Japanese maples here in Southern Cal. They are almost 100% shade trees. I have one in the ground by my koi pond that surprisingly does well - all the rest get leaf burn badly. At any rate, the grafts look correct. I will be most interested in seeing how quickly the roots develop.