The age of inexpensive wireless is upon us. This one, the B-2 2.4GHz Wireless System from NUX comes in at less than AUD$200 and seems to do a great job. Here's a demo and quick cable/wireless comparison.
Australian customers can find the B-2 at https://www.artistguitars.com.au/buy/Nux-B2-2.4GHz-Guitar-Wireless-System/70295
Global customers should visit http://www.nuxefx.com