Dyson Cinetic Big Ball Absolute - Currently on special for $849 at The Market, using one of the 10% off coupons in the other posts listed, plus 4.5% cashback from Kiwiwallet, comes to $730. Originally $1099.
The extra 10% coupon and 4.5% cashback makes it not too bad of a deal. Cheapest it's been on pricespy is $846.
Trademe Dyson is also doing the Dyson Big Ball Origin Vacuum for $399 (originally $649). Link here
Main difference between the two are tools it comes with, and the main head of the vacuum.
Dyson Cinetic Big Ball Absolute comes with Carbon fibre turbine floor tool (from the live chat, they said this is more suited for carpet)
Dyson Big Ball Origin comes with Dual mode floor tool (from the live chat, they said this is more suited for wooden floors)
Or if a long stick is your thing, apply same discount to the V7 Motorhead would come down to $429 (originally 649)