Plantronics CS540 wireless headset for $299 inc GST. The Plantronics CS540 convertible headset is designed to replace the highly popular CS60. It has a new look and improved performance with the same reliability. The Plantronics CS540 is currently the lightest DECT headset on the market. AAA Headsets stocks a large range of headsets and provides free delivery in Australia.
http://staticice.com.au/cgi-bin/search.cgi?q=Plantronics+CS5…
There's quite a few IT stores that sell the CS540 for ~$10-$20 less, not including delivery.
Not much of a bargain.