Since you are initially targeting the well-known Spartan6-150, maybe you can focus your youthful energy and enthusiasm on fitting three SHA-256 instances into the FPGA, and then fine-tuning these instances to about 100 MH/s each (300 MHs/s total), and then releasing the binary, unencrypted bitstream into the public domain.

That would make you a hero and a living legend on this forum.

While I admire Eldentyrell's technical expertise, I admit that I do have issues with his idea of getting "fully compensated" for his near genius-level optimization. Fully compensated at what hourly rate? A technical consultant (hardware, software) in Silicon Valley will typically bill at an hourly rate of $100 & up. A Silicon Valley lawyer bills at $300 & up. A psychiatrist bills at $400 & up. An anesthesiologist bills at an hourly rate of $700 & up. So, if he has invested 500 hours into this, does he expect $50,000? $100,000? $200,000? I seriously doubt that he will be able to raise amounts of this magnitude on Kickstarter, which leaves the FPGA mining community stuck at 210 MH/s (ZTEX bitstream).

Please consider it.