You are correct about the time frame, but we don't know!
We can only make a considered guess!
With what is happening in Europe the Aussie is likely to continue to strengthen!
So I wouldn't put high hopes on a currency collapse, but of course it is possible!
http://www.businessspectator.com.au/news/2014/6/11/australian-dollar/aust-dollar-lifts-late-trade