Changing of the guard?

Is it too late for the once immortal Australian side to start rebuilding for the Ashes?
Following the drubbing they recieved against India in Mohali, it is clear how much they are missing the aces up their sleeve like Warne and McGrath.
The stand in spinners will have to show more aggression and guile when trying to dismiss Englands top order, as they will be just as, if not more, ruthless than India's.