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I think they are a wast of money. See what Jonh Mackey says.[/color]
Whether or not they are a waste of money depends on what you're trying to accomplish. I bought mine to handle the fans and disable CAGS.
If it gives me another 5 HP on a stock motor then that's just an added benefit. It certainly hasn't slowed the car down or caused any problems. Fuel mileage has stayed within +/- .5 MPG of what it was before.
If you're looking for a way to add horsepower to a stock motor then a chip probably isn't where you want to start.
[This message has been edited by Blue 92 (edited 07-28-2001).]