A pretty good deal on these headphones come in at $225.49 delivered to a Perth address, the cheapest I could find using shopbot and various google searches was $408
http://www.shopbot.com.au/pp-sennheiser-mm-550-x-price-39169…
note: the exchange rate was worked out using xe.com not Amazons own conversion
Great little headphone. I have the older one.