As an Aussie ( from Alice Springs) who has lived in Canada for the past 30 years, I feel your pain in getting well priced aftermarket accessories. I'm fortunate to be in the States on a weekly basis as well as my company has a office in the LA area. Seeing most suppliers offer free shipping with in the US, I get the stuff directly shipped to there.
Its still a lot cheaper there, than here in Canada even after factoring in the exchange rate.
Having returned home for Christmas 2013 for the first time since 2000, I was astounded at the prices you guys now have to pay for stuff. Yikes ....