It is indeed a gorgeous production, and had I not read here it was a non-union tour, I wouldn't have guessed. There is only one weak link in the cast, and I won't even say who it is, because it'll be patently obvious when you see the show. I couldn't understand how that bit of casting happened, but knowing it's non-union explains a little bit.
Check out my blog at blog.donnahoke.com and there are TONS of posts about this very topic. The #RIPP (Real Inspiration for Playwrights Project) is a 52-entry primer on how to get your plays in front of producers. There is a ton of information and education.