Oh btw the file on the .com.au is linked to the exact same file as on the .nz site
http://downloadcenter.samsung.com/content/FM/200911/20091127101733312/T-CHL7DAUC.exe
So no way Radiola can say you loaded the wrong firmware.
*Update*
Worst comes to the worst check out the SammyGo B650 hacking page there is a hacked firmware and probably enough info in the wiki to help you get it unbricked if you're that way inclined.
http://sourceforge.net/apps/mediawiki/samygo/index.php?title=Main_Page



