http://www.quitnet.com/ has a cool tool for tracking.
My stats:
Your Quit Date is: 8/13/2001
Time Smoke-Free: 1743 days, 10 hours, 14 minutes and 54 seconds
Cigarettes NOT smoked: 61020
Lifetime Saved: 15 months, 16 days, 3 hours
Money Saved: $9,913.31