You should really be talking to ACube/AmigaKit to see if they have any interest in getting this into production (eg as a complete product with FPGA Arcade installed). People are much happier to buy a product from an established retailer who can handle support and warranty claims.
If it came pre-installed with AROS 68K ROMS and AROS vision that would be really cool.....oh dear, I've gone into fantasy mode again (my bad).
I agree 1000%. This case plus the FPGA Arcade is the updated classic Amiga a lot of us have been waiting for.