Death by caffeine

Oh, I just read caffeine can kill by overdosing – but by how much? Energy Fiend has a little form which you can select your favorite drink and your weight to calculate how much intake of the drink will kill you. Okay, I tried my favorite drink – Coca-Cola Classic. It says:

It would take 240.88 cans of Coca-Cola Classic to put you down.

Okay, 240.88 cans, guess I am not that worry now. Are your favorite drink in the list?

How much of your favorite caffeinated drink would it take to kill you?