Asiana sell upgrades via a pre-departure email. Fixed price, appears to awarded in order of payment time. As per the comment above, probably also available at check-in. Quite reasonable price: about $550 for Seoul - Sydney business class. Does not include status, points or lounge access.

"When travelling with American Airlines, as a Qantas Club member you and a guest are welcome at American Airlines Admirals Club lounges. Simply present your Qantas Club card together with your boarding pass at the lounge reception."Is this still the case? (Since the reciprocal arrangement h...