Deatons really what you should be doing is supporting the people who support you.Those of us who paid for the Optimum software originally have gotten used to it and have a lot of $ tied up in it so of course we still use it.However the ECU Diag folks have made updates regularly to thier software which does everything the Pro Cal does without all the BS authorization codes and need for USB adaptors.Optimum hasnt.ECU diag system only costs about $150.Check it out.
http://ecudiag.com/