[rogerco (Roger)]

If you Google "LPI webservices" you will find that the Land and Property Information service is now producing free web based data that can be used with a number of GIS packages including the free QGIS package for which they give full instructions. While the data can be a few years out of data and up to twenty metres or more out it is reasonably accurate and you will not have the usage issues you have with the reviewed product which in my experience simply doesn't work with later versions of windows. The above also works with a Mac or Linux but you do need continuous internet access so there are limitations for mobile use. LPI do sell GIS data in LGA bundles for about $70 which gives you offline access to the GIS data and is useful if you are studying a particular area.