The Children's Book Council of Australia supports Australian children's literature especially through the CBCA Awards. They also are in charge of Book Week, celebrated each August which coincides with the announcement of the CBCA award winners.
Buzz Words is another valuable Australian e-magazine. It is a paid resource and is released fortnightly.
Kidlit 411 is an excellent website featuring industry information on children's publishing. It is free! The weekly blog posts have current links for you to check out and also feature interviews with children's authors and illustrators.