John,
Here are the updates:
https://forum.msbtechnology.com/t/the-sentinel-dac-state-of-production
I actually got sick and then was out for a rather sever sinus surgery, so it caught me a bit off guard before I could post it. On the road to recovery and able to focus enough to get back on the computer. Fingers crossed I will be able to scuba dive again with my super human sinuses 