They show up the cheaper price in the payment shipping confirmation page due to VAT removal. A cheap price considering retail seems to be $259 AUD or £119 GBP ($219.64). The 32 sells higher for whatever reason on Amazon.
32 Ohm £96.43 ($178.05)
80 Ohm £84.17 ($155.45)
250 Ohm £87.50 ($161.57)
Shipping to Bris £13.54 ($25)