Note that Qantas have opened a new brand new J lounge and removed the partition between the F and the old J lounge to make a larger F lounge. In the coming months the F lounge is to be restyled.

http://www.qantas.com.au/travel/airl...lobal/en#jump1

Some reviews here:

[New] HKG Qantas First/Business Class Lounge

HKG Lounges ...