Here are some of the various links that I've come across that might be of interest to Americans and Australians alike.
If you're an Australian and interested in living or working in the US
If you're an American and interested in living or working in AU
If you're intested in visiting Australia for vacation purposes
OzLit - Australia Literary Guide
Telephone Listings: White Pages Yellow Pages
All links tested and listed here are current as of 11 Febuary 2001