I decided to redo the electrical internals of my "control panel" so I didn't have much progress, here's some newer pics:
Completed tube with element. I should have used smaller nipples, but I'm hoping the extra length won't hurt anything:
Distribution block, ground bar, and SSR's:
Rat's nest of wiring:
I've mounted one PID and got all the switches and receptacle hooked up. If I can get another couple of hours straight to work on it, I'll be done. for now...