I've had my IPD ecu for about a year, and still rave about it. I would *strongly* suggest you deal with somebody who is easy to reach, and stands firmly (and quickly) behind their product. For instance, if you have a dealer problem with your 'chip' IPD will help you out (although it never happens). On an item as important as your computer, you really shouldnt let a few bucks stand in the way of your getting the best product, and best support available. Dont forget, the IPD product has been well tested, and evaluated by some of the major trade rags, like European Car, who heaps praise on it. I've heard mixed things about BSR. IN this area, let the buyer beware.