Bought it on our local C2C site for about $40.
I can see data including RPM, vehicle speed, several temperatures sensors, oxygen sensors, throttle positions etc.
I also bought a BlueTooth version which is bit more expensive.
Here are some more pictures:
http://www.sciroccovw.com/2010/01/conne ... -via-obd2/" onclick="window.open(this.href);return false;
I'm going to develop a Pocket PC app to show these values in a cool way.