Best Body Works in Melbourne

I have an original 2 door Mk2 RS2000 project car that needs a bit of body work including some rust repair. What suggestions do the members have, and what sort of costs should i be looking at?

I would like to investigate both fix and respray or full strip and full works prices. Main rust is in the rear quarters at the base of the rear window.

I know all cost will b dependant on seeing what is needed, juts looking for guides.

Thanks, Mark.