Big W has the:
Dyson V6 Origin Slim on sale for $299, down from $399 EXPIRED
Dyson V6 Animal Origin for $349, down from $529
Runs for Saturday 25th of November and Sunday 26th of November only.
They had stock at the Melbourne City Store for the Animal, and it appears there's stock online.
Don't forget 5% off with Wish E Cards.