The dealer tried to talk me into blue tooth and window tinting and a few other 'nice' options - all seemed to be $1K, but the central locking is the only thing i actually agreed to.
Bluetooth - i already have a 'blue ant' device i can clip to the sun visor (much cheaper option)
Window tinting - i dont feel that is required in Melbourne, whereas if i still lived in Brisbane i probably would have done it.