Retirement Planner - MSN Money: "Socking away money for retirement is a great idea, but how much do you really need to save? How long do you need to work to set yourself up comfortably in your golden years? Enter your information below, the charts and numbers on the right will change as you go along, so try a few different numbers and see how different scenarios might play out for you.
All amounts are calculated using today's dollar values. The rate of return on investments is adjusted for a 3% inflation rate."