Due to unforeseen circumstances my beloved G900 went somewhere so I had to buy a G903 in a hurry.
So not the best price but the best price I could find now. G900 was $115.
Shipping was free to Adelaide.
Note there is a fee for PayPal and credit card payments which you can avoid by using bank transfer to pay.
not bad mouse, if you can get it replaced every time it starts double clicking.