The Australian's Higher Education supplement has a couple of articles on academic blogging. Andrew Leigh says that you should try it (and plugs this blog), while Bernard Lane tells us that the University of Sydney now provides blog hosting for all staff and students.
I get a lot of my Aus science & science policy news from Alex Reisner on www.the-funneled-web.com
Perhaps you might consider asking him to join ScienceBlogs? He's good.