JB Hi-Fi is offering the Kaiser Baas Delta Drone GPS Quadcopter for $599, down from their normal price of $999. You will need to signed up to their email list however I have 10 unique coupons that I'm happy to give out (just PM me or comment on this post). Other users on CC should also have some spare.
Next best price is from Aquila for $1100.
Able To Carry A GoPro Or X-series Action Camera
Impressive 400 Metre Range
17 Minute Flight Time
Max Ascent Speed: 6m per sec
Hover Accuracy: 0.8m
Max Flight Speed: 15m per sec
Motors: 920 KV brush
Battery: 3S LiPo, 11.1 V/2200 mAh
Flying Weight:: 810g
Flight Time: Up to 17 minutes
Size: 290 x 290 x 185 mm
Rotor Blades: 9043 Self Tightening
Gimbal Adapter: Optional Accessory
Official Website where you can add custom bits like a gimbals and batteries.