Just downloaded TechStream from the second best website in the world (ft86club.com #1 of course).
But I guess without connecting to the car I can't really check that I can calibrate the speedometer.
I found a cable online. It looks like a 30$ go F yourself for two plastics bits and a wire, but still not bad.
[ame="http://www.amazon.com/16-Pin-V7-11-010-TOYOTA-Software-Techstream/dp/B00AC2FN7Q/ref=sr_1_1?ie=UTF8&qid=1354290894&sr=8-1&keywords=techstream+cable"]Amazon.com: 16-Pin V7.11.010 MINI VCI V7 for TOYOTA Cable & Software TIS Techstream: Electronics[/ame]