And what are your guesses how much it will drop, when BF has the 16nm tech runinng
Aside from the Community miner project, you can bet that whomever takes up the larger public market for ready-to-run miners using BitFury's chips will be asking all the $$ they can get same as Bitmain does and for the same reasons.
As for when 16nm chiips and miners using them show up, please re https://bitcointalksearch.org/topic/m.14386376
Both BitFury and of course Bitmain with their certain to be in development 16nm solution use