Dick Smith offers the Logitech UE Boom Wireless Speaker for $146.36. This is huge price drop from $299. This beats the previous best price from Harvey Norman of $188 and is the cheapest price ever.
The next best price is $217 from PB Tech.
According to the description, this wireless speaker has a 15 hour battery life and can be controlled via Bluetooth or NFC connection.
Supposedly finishes tonight so be quick.