This's from Wow Sight & Sound
https://shop.1wow.com.au/productcart/pc/TOSHIBA-NB500-03K-BR…
The cheapest on staticICE is $361 + shipping
If you pay by your Amex card, you can get $50 cash-back making it $259 delivered, not bad for an Atom N570 netbook from a reputable manufacturer (Toshiba).
Details of the Amex cash-back can be found here
http://www.ozbargain.com.au/node/50042
WOW is in the list of eligible retailers.
"amazing battery life of up to 9 hours" from the supplied 3 cell battery?? wow, this must be some new wizz bang battery technology!