Ok. So I know I'm going to get a lot of opinions on this one, so I would like to limit this to those who have actually bought or used one of these or at least directly know first hand about these.

I'm thinking about buying something like this: http://www.obdii365.com/wholesale/te...h-tis2000.html which is a cheap chinese knock off of the $3000+ tech 2 scan tools.

I know that you need access to gm's online database to actually flash anything, and that the software will most likely be out of date, but I'm mainly wanting it for diagnostics and flashing various modules.

Basically seeing if anyone has any experience with these and whether they would recommend buying one or not and why. Any relevant information is helpful!