BOOZEBUD
This deal has been brought up in a couple of posts (https://www.ozbargain.com.au/node/544007) so I thought I'd clarify it.
Head to the BoozeBud store front and look for anything with "10% off promotion available" under the title (i.e. excludes Lagavulin 16).
Some good deals include
Jameson for $38.61
1L Tanqueray for $53.96
JW Black for $39.56
Monkey Shoulder for $46.76
Plenty of great deals in there. Free shipping too!