Another JB Hifi instant deal. $100 off with coupon. Lowest price $341 if picking up in store.
88-keys, Scaled Hammer Action Keyboard
3 sensitivity levels
5 built-in tones
Reverb (10 types), Chorus (5 types)
Instant deals: A coupon should be in your email inbox if you have signed up to instant deals. If you aren't already signed up, join via that link. If you don't receive a coupon after sign up (can be instant, can take some hours), you may like to request one in the comments from OzBargainers who aren't using them (make sure your PM is on).