Dynotech is very good, I have major respect for Izak, very nice guy and always willing to help. GREAT driver and hes very good with management systems. Definitely worth a shot in my book.
Ya uve heard they have tuned a few. I know they know the turbo golfs well. But in general they know what they doing, he has a golf mk2 and a 200sx drift car. Go past and have a look around. Lots of random cars and projects in the shop.