Welcome Zaki!
I love my MK4 and haven't had a problem with it for the 8 months ive had it.
The car you seem interested in sounds good! As you're also from Radelaide, Go on facebook and join a group called "Euro SA". The owner of this GTI is in the group and you may be able to have a better insight of the car on there. plus everyone one there (including me) will be able to help you out aswel
Goodluck with the search!