just thinking about my caffeine addiction ... here is something for yours. Here is a nice list of Caffeine in drinks, I really like Mountain Dew. Also check the Caffeine FAQ. I got Caffeinated Soap as a gift, but I don't think it helps :-(. And last but not least Caffeine at Wikipedia
updated ... just found this:
You Are an Espresso At your best, you are: straight shooting, ambitious, and energetic At your worst, you are: anxious and high strung You drink coffee when: anytime you're not sleeping Your caffeine addiction level: high
another nice link INeedCoffee