This looks amazing.  What are the options going forward to be able to add FPGA boards one at a time?  For example I am a small miner.  So a chassis like this would be awesome to be able to add cards as I go.  However I see in this first batch of FPGA boards are all gone.  What is the feeling or suggestions for the small guys?  Can you mix and match GPU's and FPGA boards?  Any idea if we are going to see more FPGA boards? 

Awesome project. Thanks for the feedback and suggestions.  Thanks.