Finally have the itinerary worked out for the trip up and back.
Geelong - Mildura - Willangi Station - Willow Springs Station - Mungerannie - Birdsville - Haddon Corner - Dig Tree - Camerons Corner Pub - Broken Hill - Mount Gipps Station - Geelong.
Works out to be 4342klms over 16 days..
Now just counting down the days and getting everything prepped.