I've been working on my own personal expense tracking software. Not just because it will have exactly the features I'm after, but also as an exercise to re-aqua

I've been working on my own personal expense tracking software. Not just because it will have exactly the features I'm after, but also as an exercise to re-aquaint myself with php/mysql, then moving to make it iphone friendly (as a web app) and finally to produce a iphone app version.