Yes you are reading the site wrong.

If you look it is $99 for the Ford Enhanced Data Upgrade is you look closer at the listing at the bottom it says "(Requires ATU hardware sold separately)" the ATU is $199 by itself.

The only other ODB scanner you might want to look at would be this one I think.

http://www.ghg.net/dharrison/obdscan.html

Beaten - 2003 MazdaSpeed Protege 29K <- broken hearted Daily/Weekend Beater - 1990 miata 138K - AutoX every weekend = Adult driven on weekends