JB Hi-Fi has 20% off all Turtle Beach Stock.
PX5 $238
XP500 $262
PX3 $158
Free Shipping Online.
I purchased the PX5 from Knox JB yesterday (26-May). Best price I have seen for Australian stock.
I dont know when the sale ends, if someone finds out I will add it.
Just compared prices with Amazon:
PX5: $238.50 Shipped
The others are marginally cheaper.