Like a bit of a mirror of this unsatisfying deal (https://www.ozbargain.com.au/node/850850) it looks like Costco is clearing their iMacs out at a cheap price.
Queue comments on 8gb ram, better PC for the dollars, etc.
Also Blue available here - https://www.costco.com.au/Computers/PCs-iMac/iMac/iMac-45K-R…
Is it a current RRP? Or it was released many years ago?