Don't know when there will be any more of those coming from Gwhy. Seems it has been a while since he had the time to assemble and ship so if in a hurry you might as well make your self or source from different vendor. I've put in my order to ghwy summer of 2015 i think but ghwy had some injury last year, he kind of got a backlog, or everyday life has caught up with him. When he is good and ready I am sure he will ship.
Np for me, I got time to wait as I got a few china throttles as well. So this new throttle will be a nice bonus.