NATS is great..but a bitch at the same time
 

At least for what I am doing. Every site having their own code and building that into a dynamically built TGP system like we have..not hard, but fucking time consuming.

This is my only gripe with it as well but I cannot think of any other method of tracking multiple sites, campaigns, and programs all at once.

I've never used it but hear its top notch