Rio Sound & Vision have a special on the Yamaha RX-V673 for $759 with free shipping Australia wide.
This is the best deal I've seen on this model and $5.40 cheaper than JB HiFi with their current 30% off sale.
http://www.rio.com.au/product/2/7/782/yamaha-rxv673/
http://au.yamaha.com/en/products/audio-visual/av-receivers-a…
They also have the RX-V473 @ $479, $2.60 cheaper than the JB sale price.
http://www.rio.com.au/product/0/7/754/yamaha-rxv473/
http://au.yamaha.com/en/products/audio-visual/av-receivers-a…
And for anyone after a higher end AVR they have a super deal on the RX-V3071 for $1595.
http://www.rio.com.au/product/0/7/636/yamaha-rx-v3071/
http://au.yamaha.com/en/products/audio-visual/av-receivers-a…
Should also give Eastwood hifi a ring to see if they will pricemath these. They stock alot of yamaha amps and i managed to pick up an A2000 for $1100 about a year ago.