Received the 40 I ordered today.

So far able to test 10 of them for 1 hour on BFGminer 3.2.0 min WIN 7 64bit
 difficulty set @ 16

the black heat sinks SUCK they are too thick

If anyone is interested in buying any of these they can pick the one they want BTC.425 each shipped (USA ONLY)
Send me a PM - First come first serve on the pick