obviously there is some hidden reason we don't know about that is preventing ET from open sourcing this bit stream.
Which means TML will never reach its potential and will never make profit for its creator. in my opinion you mine as well shut it down now because its pointless.
I have increased my bounty to 500 BTC which at current market value is about $6000.00 USD
for an opensource bitstream that mines a Spartan-6 chip at 250Mh/s or better.
Hopefully someone claims this bounty soon because if they dont I will be withdrawing the offer.