Another cheap preorder @ Dick Smith.
$69.98 minus $10 off code which expires at Midnight EST (thanks kamoi)
The price in the current catalogue is $59.98 so if you email them after you order they might refund $10 to make it $49.98.
$98 @ JB Hifi
$99.95 @ EB Games
$98 @ Harvey Norman
Releases on 8 October 2014