Planning on a new domain, here we have a list of different domain names and their uses.

		.com.au is used by com mercial entities such as companies with an Australian Company Number and businesses registered with State governments.
		.net.au is recommended for organizations and companies that are using the Inter net as an integral part of their operations
		.id.au is reserved for the people of Australia to create their own online id entity.
		.asn.au is for incorporated as sociatio n s, trade unions, political parties, sporting and special interest clubs, and partnerships between disparate organisations.
		.org.au is for verifiable non-profit and charitable org anisations.

You can also register .COM  .NET  .ORG  .BIZ  .INFO  .US  .NAME Plus more…