Kathryn Kuhn knows metrics. "There's no one metric to rule the team or that tells you the whole story."  Kathryn is a transformation consultant (aka "Very senior Agile coach with Rally") that is often assigned to help really large companies deal with really large problems. Her AgileCamp session "Unlock Excellence with Agile Metrics"  focused on three categories of outcomes that she helps her clients with:1. Adoption2. Operational3. BusinessYour metrics should provide the same kind of guidance as a car dashboard: no one metric is more important than any other (provided the tank is full, of course). Also of interest: EMPLOYEE Net Promoter score. Certainly something to think about.