I now know why horsepower is intoxicating.

I've never haven driven cars that were very fast. I always like the slow car fast method since both cars I own are slow. I never really felt the thrill of being in a car that was quick. Today I drove an RX-8. I know its not the fastest car but it had over a 100 more horsepower than my current car and close to the same weight. It was so easy to speed and that car and felt very thrilling when accelerating in it. It also felt better since the RX-8 was a stick, and my Celica is an slushbox. What car made you realize that horsepower was intoxicating, and what is the fastest car you have driven?