I want to purchase a GM diagnostic scanner to poke around and do some home diagnose/tweaks/repairs on my Pontiac G8.

Yestoday I found the GM tech2 scanner at Uobd2,
But not sure that, if this GM Tech2 can do Pontiac G8?? the information at UOBD2 not quite clearly...
and I want a cheaper one, are there any other devicces like the tech2 that is more affordable?

thanks!!!