A quantified-self approach to measuring financial fitness: alternative to FICO!

Would love to hear your opinion on this, especially from people with background in finance: developing a financial fitness score that would discourage living beyond your means, and encourage more careful and informed management of personal finance : http://www.measuredme.com/2012/08/financial-fitness-score-a-quantified-self-alternative-to-credit-scores.html

The score could be developed on already existing platform, e.g., Mint.