Found one more and I believe this will be the cheapest available AU stock as of now. ($976.99 - 195.4 = $781.6) ($972.99 - 194.6 = $778.39)
Update 1: Price dropped to $778.39 instead of price jack :) thanks Hamza for updating it.
Product Details :
NETWORK
SIM Card Type: Dual SIM, Simultaneous :4G/4G
HARDWARE
CPU : Octa-core (4 x 2.36 GHz + 4 x 1.8 GHz)
Bluetooth: Yes, V4.2 with A2DPNFCYes
Internal Memory : 64 GB, 4 GB RAM
Screen Size: 5.9 inches, 2560 x 1440 pixels
Handset Type: Touch Screen
DIMENSIONS
Weight: 186 g
Dimensions : 150.5 × 77.8 × 8.2 mm
OS Version :Android
OTHER DETAILS :
2 Years Australian Warranty
GST Invoice andTRS Eligible
It's been cheaper, was $779 here
Same price as this deal $$781.59