This one is absolutely amazing! This'll either scare you or elate you.
If you answer truthfully it is a cool tool..
Life Expectancy Calculator
You may be younger, or much older, than you think!
http://www.sonnyradio.com/realage3.swf
MY RESULTS:
Biological age 50
Virtual age 19.5
my life expectancy 106.5
20,600 more days