These are users who have acutaly put Australia in their location so I'm sure there are alot more people who are from down under who have not filled it in so here is an incomplete list:
Wombat 1,185
george 486
Jack05 189
geek_gal 70
marcmarteleira 61
Sexybaby 54
[Scrapsy] 54
invisionhost 37
an0nym0us 23
earthboundrocks 18
Fredrick 18
twistgrip 12
StoneBridge 12
Quantum Flux 10
trulyangelic 8
Wazz 7
david_wilson 6
Gonavitch 6
reenigrl18 6
War Eagle 5
Iluvatar 4
y2kai 4
jeanious 4
DAMKAT13 4
matt_m6 3
the_eternal 3
pedro319
hendos4
arthura
cabalistic
Catiekay
Fatal1ty
veruca_salt
Sloth_Boy
Thog
jeffoz
symesey
madcow0405
Pcpower
jolij
Simonliu
Radiodeis
Citizen Kane
jimmy
Squishmeister
zcebekh
espxxx
jerbes
dlpowell
Linkin
n8f
Dan1979
kameljoe21
DDFresh
Joey
Ashm6
SoHo
dapunkd
7watts
faingaa
monaro_man_91
Damen
shammy75
Drache_Mithal
Zarock
sesipa