There is a meetup in Denver. That is where princessbroc got some (all?) of her chicks. It seems to be more about selling and less about sharing info, although they do host the occasional coop tour. Not sure how often that happens. I have only been to one meetup. Since I already had my chickens, it wasn't all that helpful for me. The coop tour would probably be great, though they aren't working w/in the HOA rules. My coop is really nowhere near as nice as the one you built, and I've already encountered some challenges (mites - maybe), so it would be good to see how others have worked around those problems.
There is a woman outside Golden who makes and sells corn-free, soy-free, organic chicken food. She has distribution points in Golden, Elizabeth, and other nearby towns. Let me know if you'd be interested and I'll pass along her info. My chicks have been on her grower feed for about 6 weeks, and they seem to like it. I like my chickens not eating all corn and soy.