Originally Posted by
Blackadder1402
Back to the OP from a domestic earning view point, QFF will give you points/sc's on deep discounted red-e deals etc, where as AA for example wouldn't.
Like anything FF related YMMV.

The cheapest red-e-deals SYD-MEL are in O class which are eligable; the next 2 Q&N are ineligable; S is also eligable
All fares higher than that are eligable