You shouldn't be so happy that AUS is so strong, since everyone pays in USD you are making less because of this!
One can also argue its not AUS getting stronger, its the USD getting weaker.
Look at USD/EUR in less than 3 months it went from 1.32 USD = 1 EURO to 1.478 USD = 1 euro
http://www.exchange-rates.org/history/USD/EUR/G/100