Think you don't have a life?  Check out this link..........
 

On-Line Calculators for Cadence, Power, Calorie Expenditure & Way Too Much More

Just to prove everyone has an opinion on crank-arm length.... Check out this link.......

Bicycle Crank Length Lies, Misinformation, and Old Wives' Tales

You know who you are.......... a link for all the weight weenies.

http://www.damonrinard.com/weights.htm