Firstly check ozhonda private sales because they do flow through a lot of cosmetic parts for hondas... lol
otherwise http://www.bodykits.com/ and www.wickedbodies.net have a big range of bodykits but are in the U.S im pretty sure so if you just find the model you like and google aus it.
http://www.carmate.com.au/ is good to and ozAccord i know sometimes has bodykits