This is an excellent deal. Philips Viva Collection Airfryer HD9621/11 is listed for $260 at Billy Guyatts and you can get another $50 off using current cashback promo from Philips.
Product link: https://www.billyguyatts.com.au/promotions/philips-50-cash-back/philips-viva-collection-airfryer-hd9621-11.html
Cashback link: http://www.philips.com.au/c-w/promotions/ka-xmas2016.html
Note: Cashback offer is valid until 1/1/2017 and there are other products included in the offer that you should check here.