Road Dyno Kit?

heard, dyno, appreciated, accurate, subject, best/most, g-tech, things, give, good, effective, http://www.charm.net/~mchaney/homedyno/dynokit.htm, road, information, price

http://www.charm.net/~mchaney/homedyno/dynokit.htm Has anyone used this or heard of how effective it is? Seems like not a bad price for a do it yourself dyno. Any information that someone can give on the subject would be much appreciated. Also, I