Seems like good concept&solid manufacturing! But at those prices it wont sell (eof July 2014).
Even with your auction, you have sold 60GHs @ 0,28btc = $160/€120, so at least you may drop to $800/€600 for 300GHs (10modules incl. controller, shipped). But I guess, if you would not forced min. auction price starting @0.2btc, you would end up probably around 0,1-0,2btc max.
Anyway, once you will drop your 10 modules (incl. controller+shipping) to $260/€190, you will probably sell out in couple of days, sitting on couple of 100K's eur, probably close to a million in revenue based on how many you are sitting on in stock.
Also, you may consider to add on your site - company reg.id & VAT registration code, as EU registered company.
Lets hope, you will drop prices to real world levels.
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I would like to use those miners and I have a couple of ideas to create a custom made case to hold 2 300/380 GH/s units with a ATX or server PSU, but this price is the biggest turnoff I could ever come across.