DAT-750 Motors Found In Stock!
The DAT-750 is in stock here (82 pieces). I had not used this dealer before but placed an order this morning.
They are polite, quickly responded to my email, are in Hong Kong instead of mainland China and that seems to sometimes bring you better results than you get from the mainland guys.
The motor will be about $16 shipped, I ordered a couple of other things I needed too.