We have definitely seen a return on our investment with this solution. Switching to Puppet Enterprise was a game-changer for us. It was totally worth it, but there is a reoccurring cost associated with it because you have to pay a yearly licensing fee. We got a lot out of it in that time period. When we began exploring in Windows side, we didn't know if we would see a return. 

Not measured. Use of Puppet was part of larger cloud agnostic IaaS provisioning project for the enterprise. Return on IaaS project was breaking even in the same year with deployment of 500 VM servers with 3 tier app stack. Annual ROI from savings thereafter was to the tune of 60-80%

Well I'm trying to do my job to grow the community around here. Even in Santo Domingo, Dominican Republic, where we recently deployed a project using puppet. The system manager, the assistant system manager right now is being pain when applying changes between environments. Tried creating a folder in 20 servers, for example. 

I'm trying to create a community. More people know about the same, they can share experience and work together. This is part of the mantra we live by. I think that this thing is nice, these things can help you to get your goals quicker, to get these things managed in the proper way, to free up your time to use it in a more productive way.