To compete with current payouts from bonds he needs to build a 6 TH/s farm quite fast from 0...

I personally see this going nowhere.
From 1 GH. His farm needs to increase by a factor of 6000. I agree with you on the second part.
Oh wow, that changes everything of course!

Does staff around here get some discounts on silkroad or something?!

Anyways, this sounds like the facebook of mining companies!