shopback(shopback.com.au) has 9% cashback but check terms, says only coupons on shopback but there is no coupons, but has the link to click frenzy, maybe try contacting them
cashrewards 2.4%(cashrewards.com.au)
seems reasonable for the price, specs could be a bit better
Intel® Core™ i7-8700 (3.2 GHz base frequency, up to 4.6 GHz with Intel® Turbo Boost Technology, 12 MB cache, 6 cores)
Windows 10 Home 64
NVIDIA® GeForce RTX™ 2070 (8 GB GDDR6 dedicated)
16 GB DDR4-2666 SDRAM (2 x 8 GB)
256 GB SSD storage + 2 TB HDD storage
Amazing deal