wow that a big parcel to explain!! no the largest I got was a box shipped by land/sea that took 2.5 months to get here. At the time I was lucky and got it through customs without paying duty on it. there was a thread about the customs duty and how the limit is raised now to 500 AUS, checkout
http://www.customs.gov.au/site/page.cfm?u=4226 and this one
http://www.customs.gov.au/webdata/re..._18_Notes1.pdf