Hey Barch,
Nice looking set-up you've got started! I really like the slick RODI storage/salt-water set-up you've built behind the tank. I'm thinking of doing something similar and your switches gave me some ideas.
I wish I could offer some advice on your cycle, but I'm not really an expert. It does sound like you are doing things correctly with the shrimp, a few pieces of live rock, etc.... I am sure the people on this board will be able to help. I just like looking at the pictures.
One bit of advice that I received when I was cycling that really made sense to me was the idea that your bacteria need to be fed too, so you may need to provide a source of ammonia until you have fish that do that for you.
Good luck and I'm looking forward to following your build.