Yes, speculation has shifted to August 21 in the last half hour.
She is currently meeting with the GG. TV news just has an aerial shot of her care sitting outside the front door of Yarralumla (Governor General’s residence).
Twitter just report more stuff she is going have annoumcent less than hour
SBSNews PM Julia Gillard leaves Governor-General’s residence; is due to announce election date shortly: http://bit.ly/93iOUX #ausvotes