Best time to apply for teaching jobs?

[emsyjean]

I've been living and teaching in the UK for the past 2 years. Before I went, I only worked casually in teaching, so have no experience with the whole teaching job hunt scenario.
I have put my name and availability on the Recruitment Online site and have started receiving job alerts and such...
What I'm wondering is whether there is a traditional time of year when all the 'good' jobs come out and when the big influx of jobs for the new academic year is? Any tips on other websites I could look on would also be great!
I have Seek, Careerone, Mycareer, Jobx and Gumtree alerts so far...
BTW, I'm still in the UK and won't be back until October...
PS - Looking for jobs in Melbourne, Australia