Predict your budget

Hello, I have been trying to find a good way to find a good way to manage my budget, track expenses etc and (this is the kicker) automatically predict my future balance and savings contributions. I have yet to find what I'm looking for. Ideally I would like a web app with a mobile interface etc, but alas the closest thing I can find ( http://budgetedge.com/) doesn't quite do everything I want and development appears to have ended.

Long story short, I made an offline spreadsheet and used it throughout 2008 and found it most useful. I decided this year to take the spreadsheet online this year and Zoho is the best I've found so here I am. The point of all this is I would like feedback on how to make it better. Please take a look at it here and let me know what you think:

http://public.sheet.zoho.com/public/datbird/copy-of-monthly-money-log-09-1

Thanks for any feedback!