I went for a staggered set of track rims last year (17x8.5 +30 front and 17x9.5 +38 rear) but changed to a square setup this year (17x9 +35 with 255/40 tyres) for the increased frontend grip and being able to rotate the wheels around the car as they wear.
Thanks Adam for hosting another great and informative event and thanks to all of the manufacturers for taking the time to present their products. And thanks Terry for organising another awesome tech event!
I ended up using the workshop directly across the road from the Five Dock RTA, can't remember the name. If I had to do it again I'd use JLM like Terry suggested. In fact, my car is with JLM at the moment getting a power steering leak fixed
You don't need engineering cert or compliance papers for blue slip. Had the same thing happen to me when trying to get the blue slip for my car when I brought it in from Victoria. First blue slip place wanted engineers certificate and original compliance paperwork, took it elsewhere and they just did the inspection and provided the blue slip.