Direct link to Pioneer HTP522 5.1 HTS: http://dicksmith.com.au/product/C10009/pioneer-htp522-5-1-ht...
Not all that many stores showing new stock, but there are quite a few showing low stock which is most likely their floor model, but at this price it's worth it.
The Yamaha system definitely looks the best of the two and has a RRP of $649.
More detailed specs on the Yamaha system can be found here: http://au.yamaha.com/en/products/audio-visual/hometheater-sy...