Best price around from Pushys. Garmin Edge 530 Bundle for $449.99 (RRP $649), which is $50 off from current price of $509.99 from Pushys via EBay.
Link to Pushys’s eBay: https://www.ebay.com.au/itm/Garmin-Edge-530-GPS-Computer-Sen....
Alternatively, but still pretty good for the Garmin Edge 530 Bundle, for $468.98 from Bike Bug via EBay with same code.
Express shipping included.
eBay Plus Membership required.