les those are late model clk rims. the part# is a2084010002.
you might try looking on craigslist in all the larger cities in the us. then ask a member to check them out for you. no idea what shipping would be to aus. wheels weigh in at around 14 lbs. the ones bmorgan has and mine were beadblasted to raw alloy then primered and spraypainted silver to look decent.
bmorgan used the mt et streets weighing in at 29 lbs and i chose the goodyear eagle ss dr's weighing 24 lbs.