Is my math off, or this this much more expensive than from megabigpower or bitfurystrikesback?
Can have some numbers?

8000$ for 400GH here
https://megabigpower.com/shop/index.php?route=product/product&product_id=53 equals 20$ for a GH and with 16x16 = 256 chips a 31.25$ per 55nm Bitfury chip.
* Updates Aug 8th
- Board and Assembly prices are now up.
- 8 chip Drillbit Board (including chips) - $300
- 1 chip Drillbit Thumb (including chip) - $99
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8 chips represent 8*2.7 = 21.6GH and cost 300$ so 13.88$ for a GH or 37$ per chip.
I must admit that the OC capabilities probably make good for the up charge per chip...