Yes you can give me your $$$ and I'll even say thank you....
If you try to use aussie $ locally in shops or restaurants you'll get ripped off (like in any country)
Seriously, bring some local currency (xpf) do not change at any airport.
Bring your credit card (visa preferred here)
Being from Vic you definitely won't need a shortie.
send me a pm for more details, this week end we have a freerace event, welcome to join