This seems to be your lucky day ! Just received this from Gigawatt:

We would like to inform you that a new shipment of Panda Miners B3 Plus is available for sale through Giga Watt’s website now, and the equipment is scheduled by the manufacturer to be delivered to Giga Watt's facility on September 11, 2017. The price for this model is 3,990 USD, and the only acceptable form of payment for this model at this time is a wire transfer in USD. Please visit Giga Watt's web site at https://giga-watt.com/ to make your purchase.