First time posting a deal here :)
Orbi RBK50 AU version via Amazon AU.
After stacking with the Shopback Amazon deal works out to be approx $380 give or take.
This is a cheap deal from what I've seen if you're looking for a mesh type setup.
Note you can probably also get Officeworks to pricebeat for a %5 which works out to be ~ $380 if you are inclined to.
Update: Deal is over - There is no spoon.