OBD tool




I've come across a couple computer based and PDA based solutions here in the states, but mostly only provide generic OBD data.
A company in Europe makes a product called Carsoft, which apparently can do much more, but it's unclear to me what I need to get, if they have an office in the us or what...
There's
http://www.autoenginuity.com/order.html
http://www.carsoftinternational.com/contactus.htm
http://www.obdii.com/
http://obd2.com/
http://autotap.com
Anyway, I'm about ready to pull my hair out...
Whats the best one? (That doesn't cost over 300 bucks)


