Conversion rates would put both the prices about the same so $27aussie would be worth about $15US
Actually, $15 us = $22.75 AU, and $27 au = $17.80
Just in case you wanted to know...
Also, the Baby Ogryn reference is also in the 3rd edition codex: Page 3.
They are ofted called 'baby Ogryns' by others, though never to their faces....
Again, just in case you wanted to know...