Gidday,
http://www.sydneywireless.com/
I later found this one...
http://melbourne.wireless.org.au/
Not bad both of them.
I must comment though, today I located a completely un-encrypted wireless lan and was able to lease an IP address and all of a sudden my MSN messenger hooked up...

and I hadn't even meant to go that far, but had DHCP enabled and MSN was lying dormant...
anyway, I digress. Thanks anyway.
Dave