I'm a 28yo HK male Chinese working in SG.
With the launch of Scoot budget airline (www.flyscoot.com), Just realize that flying to Gold Coast from Singapore can be as low as S$450 (return ticket including tax, luggage, meal) in early November (30 Oct - 7 Nov)!!
Thinking of getting one or two travel partners here. Can also rent a car to go up to Brisbane for couple of days as well. Let me know if you are interested. Thanks.