If you live near Kansas City, Paradise Locker Meats in Trimble (Just north of Smithville) usually has Piedmontese in stock. I've tried Piedmontese tri-tip (great) and one brisket (my first brisket, which I didn't get right). They say that Piedmontese shouldn't be cooked as long... or to as high an internal temperature as other beef and your results would seem to confirm that. Can't remember what I paid for the Piedmontese but I think it was less than the Wagyu, (Which they can get). http://www.paradisemeats.com/
Thanks so much for the comparison... I've been looking for one.