Sapphire RX 580 Nitro+ 8GB Special Edition $299 Delivered @ DeviceDeal
Looks like this is one of Device Deals Black Friday specials with shipping waived for orders over $200. Deal ends Midnight tonight.
This is the cheapest price for this highly regarded card at the moment in Oz.
Edit - Sellers Product Title is a bit misleading. Theres a Limited Edition (OC Extreme) and Special Edition. SKU ID matches Special edition, which is same as in picture (light blue card)