Got email from PandaMiner claiming they outperform E3  
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Dear miners:

Now PandaMiner have made the price adjustment, the cost exceed the ASIC E3. According to the comparison:



One more point, we support delivery in 7 working days, while E3 requires 3 month. Miners can gain a lot of mining profits during 3 month.

Price: $2508 per unit(PSU and shipping cost included)
Model：PandaMiner B3 Pro
GPU: AMD RX 470*8 cards
Delivery: 7 working days
Limited amount: 1000 units