Get a handle on your complete financial picture. I recommend you purchase Quicken or Microsoft Money. However, you can use the following to create your own balance sheet.
Assets
Mutual funds ____________
Stocks ____________
Bonds ____________
Notes ____________
Savings accounts ____________
Money market accounts ____________
Real estate ____________
Intellectual property ____________
Other ____________
Liabilities
Mortgage ____________
Car loan ____________
Other loans ____________
Credit card debt ____________
Other ____________