HiKOKI 36V MultiVolt 2 Piece Brushless Combo Pack KC36DC(HRZ) $499 @ Bunnings

This is a great price at $499 for the top of the range hikoki impact driver and drill kit.
These are the 36v Multivolt versions and are super powerful and lovely and smooth to use.
(Yes you can use multivolt batteries in 18v Hikoki/Hitachi tools).

These are selling at Trade Tools & Tool Kit Depot for $649 currently.