I'm a product manager/developer and find myself wanting to know the real-time and historical usage of the products I manage so that I can proactively address is

I'm a product manager/developer and find myself wanting to know the real-time and historical usage of the products I manage so that I can proactively address issues and prioritize future development. Some kind of combination of google analytics for the client side and NewRelic (or http://amon.cx http://amon.cx) for the server side. I'm going to play with this over the holidays to see if it would help me with that.