noticed The Toolshed has a few things on sale until 19-Aug.

Dont know what Bunnings prices normally are but it looks like they may have price matched.
Limited to DeWalt and Makita as price-match options to get further 15% off at Mitre10. 

Example: DeWalt cordless mower (DCMW564P2-XE)
Toolshed $746.10
Bunnings $741.10
Mitre10 $870 - (match $741-15%=$629.94)

There is probably other outdoor stuff discounted as well.

mower links:
Toolshed
Bunnings
Mitre10