I was reading Girls Just Wanna Have Funds and saw this cool new money program. It is called Mint.com, and it is similar to Microsoft Money Plus, but Mint is free.
Free is good :)
It tracks expenses by credit card, bank account (although my bank isn't listed), and so far, so good. It is extremely easy to use, and unfortunately, even with pretty software, my biggest expense is still gas.
Give it a look :)