erm, large(ish) list but mostly from festivals, because you know, Australia
Chairlift, Cults, DZ Deathrays, Feist, Girls, Givers, M83, The Horrors, Portugal the Man, The Pains of Being Pure at Heart, Washed Out, Bush, Bad Religion, System of a Down, Machine Head, Lamb of God, Devin Townsend Project, Mastodon, Steel Panther, Meshuggah, cky, Watain*, Turisas, Kvelertak, Beck, Sigur Ros, Grizzly Bear, Ben Folds Five, Beirut, Cake, Dark Dark Dark, Cypress Hill, Bluejuice, Hungry kids of Hungry, The Holidays, Cloud Control*, Silversun Pickups*.
Now we are out of the festival territory.. if it has a * I have seen them solo too!
AC/DC, Metallica, Megadeth, Black Sabbath, Iron Maiden, Jinja Safari, Fishing, Mayhem, Voyager.. I have forgotten alot of the ones I have seen by themselves.. alot of little Canberra bands or Australian metal bands...