I have always wanted a simulation based cash flow application. The app would tie into real data points and show how my cash flow is breaking down and comparing

I have always wanted a simulation based cash flow application. The app would tie into real data points and show how my cash flow is breaking down and comparing to estimates. It would then allow us to role play a few scenarios to predict which numbers are important for us to change. I have even considered putting an agent in there and doing Genetic Algorithms on creating a good agent. Its a lofty thought, but I was thinking that if I started small and just did the cash flow modeling well, the other parts could be added over time.