Favourites: ghettoblasterz, Tommy Emmanuel, Dungeon/LORD, On The Virg, Psycroptic, Transcending Mortality, Inane Eminence, James Reyne, Pathogen, John Farnham, AC/DC, Flatstick, Brett Garsed, The Screaming Jets.
Honorable mentions: Black Majesty, Vanishing Point, Ilium, ...Fuck I'm Dead, The Berzerker, Jennifer Will Drown, Kania, Mondo Rock, Blood Duster, The Amenta, Goanna, Icehouse, Vaginal Carnage, Eyefear, Damaged.
No, they're not ALL metal, but the thread is "Your favourite Australian bands", not "Your favourite Australian bands METAL ONLY".