Just a quick update.
We spent most of 4th of July weekend working on the electronics. There was a small issue with one of the parts that needed to be swapped out and replaced. It took until today to get replacements, but now everything with the electronics is put together and tested. The controllers are all boxed up and ready for their (eventual) shipping!
Tomorrow and this weekend we hope to get the z-axis components buttoned up and boxed up as well. Shipment of the machines should only be a few weeks away.