With your interest in Online Technology, I recommend you take a look at Wiziq's virtual classroom and authorstream's power point presentation platform. Both are web based platforms, have a bunch of features and free basic service. Here’s a public class recording conducted by Nellie Deutsch on Technology Integration.
Welcome to Classroom 2.0 Rebecca. There are many great ideas and tools to explore here. If you look down the right hand side you will also notice links to subjects and tools that may be of help.
Helen (another Australian and host for Classroom 2.0)