Forget Australia. Shockingly bad value for Avios, especially when Qatar is selling cash tickets for £1300 (as it was last week) ex EU for a far, far superior product. Taxes are over £700 for Avios.
I expand on this here -
http://www.headforpoints.com/2017/09...a-new-zealand/
The multi partner redemption chart is a better option, and cheaper, if you want to use points.