QF F Class - is it worth it?

[Maca44]

Others have suggested flying F back to Australia, however, if you only have sufficient points for F one way I would go from SYD or MEL as it would be a great start to a holiday to experience the F Lounge/spa/meals etc before your flight and then you have the benefit of several hours of F class enjoyment on the flight before you get some sleep. Whereas, flights LAX for SYD flights depart late evening, and its essentially a night time flight for the entire 14 hours; pax are sleepy and you don't appreciate the benefits in F on this leg so I would travel back J. I note you are unable to get F out of SYD, but look at MEL departures as something might come up. In any event J is nice also.