Its nice to see such a detailed post. However, I was curious about the "profitable" part of this, do you have table breaking down the numbers in terms of # coins mined, cost of electricity, profit per day, etc.? I apologize if I didn't see it if you have it written somewhere between parts 1 and 2.
RE: CPU Mining is back! A complete how to guide and profit analysis for Verium mining on a farm of single board computers - Part 2b