Woah what a ripper price for an extremely fast samsung card, by comparison PC Byte eBay are selling it for $55.96 after 20% off. Reads at 90Mb/s and writes at 80Mb/s.
Possible to get 2 for US $53.14 (~AU $70) if you want to save on shipping costs.
EDIT: Asus Strix 1080 also appears to be in stock now.
strix is instock at $799 USD?