Deals Direct have the 12 place, free standing, stainless steel Rank Arena dishwasher on sale for $329 plus another $41.45 for delivery to a Sydney. So your costs may vary slightly depending on where you live, e.g. it's $49.95 in shipping to Melbourne and $96 to Perth. Still, this offer looks to be good value compared to the rest of the market.
Reading up online it would seem as though the OEM for this dishwasher is called Galanz (from China) which is sold under the Rank Arena brand over here in a stainless steel finish.
This same dishwasher is being sold at Bigtimeoz for $484.99, for $539.99 on eBay, for $610 at Bargain Brands Galore and for $659.95 at theSMH.com.au - all including shipping fees.
The reviews for it from customers on Deals Direct are very positive. It scored a total of 4.7 out 5 stars from 29 reviews. This machine features 6 washing programs, water overflow protection, and has a 4 star water efficiency rating. This offer ends on Tuesday midnight AEST 1st July 2014.