Thanks for your advice Darren.
I have contacted qf myself and they now say that hkg - mel - bme - cbr is only possible if I transit mel and not stop.

They couldn't really give me a reason other than "the rtw is for travel rtw not within australia"; they certainly did not say that there was such and such a rule against it; i have a set of rules for the owe and as far as I can tell it should be allowable if what you say regarding stops is correct ie: two stops plus a termination point. Maybe there are additional rules to those published..??

If anyone else has any experience regarding this i would love to hear from them...I really want to ticket before Oct 1 and am getting tired of being told different things by qf!!

Thanks in advance