"Booko is a site with a very simple goal - to find the cheapest place to buy books and DVDs in Australia... Booko is not an online shop. It goes out to the Internet and looks up book and DVD prices for you and figures out the shipping costs. For the international sites like the Amazons (.com and .co.uk), the prices are converted into Aussie dollars."Read more about its features at booko.com.au. For an example, see the results for The Goodies' latest DVD, The Goodies... At Last... Back For More, Again!.
Here's another example that shows an enormous range of prices found ($26.51 to $102.00).