I might as well finish this thread some 8-9 months later to help anyone else who ends up with similar problems. Since my last post i was caught in a second hail storm and had a total of 35 dints in the bonnet and about 25 in the roof.
I finally got my car fixed on the weekend by a guy who works out of his own garage at home in Green valley. about 15 minutes west of liverpool.
I stripped the roof lining out myself and the door trims (both sides) to make the job easier and cheaper.
The job was done at less than a third of my original quote (and that original quote was only after the first hail storm.)
I have a perfectly straight car again now and couldnt be happier.
I seriously recommend this guy Frank, he is a top bloke and seemed to care for my car as much as i did. He even fixed up all my stone chips on the wheel arches and the chips on the door edge from hitting stuff when being opened./ If u r in the sydney area and need any dings, dents, creases etc removed then go and see him.
PM me and I will be glad to pass on his details.