As a user of Qantas staff travel for 30 years and with one of the higher onload categories I would only say to you good luck using it. You will have an onload priority that means you get on after just about everyone. Staff travel is almost worthless now and I would sell mine for an ongoing pay rise in a heartbeat.
You should never be enticed into forfeiting potential monetary gains for something that can be changed and withdrawn at the whim of a bunch of narcissistic arseholes.
SHOW ME THE MONEY!