Software Development Metrics are a notoriously difficult area, there exists a large allure of quantitative measurements that can be condensed into a top-level dashboard showing progress, plan alignment, effort , costs and so on. However, the unfortunate reality is that the collection and analysis of Software Development Metrics is difficult for a number of factors such as complexity, variance, meaning and gaming of the system. Often it is a difficult case of understanding if we are more interested in the performance of the project (Health) or the performance of the developer (Efficacy).