I paid £23.97 for my 2GB scandisk SD card from ebay with next day delivery!
It is £169.99 in argos!
Here is the link:
http://cgi.ebay.co.uk/UK-New-Fast-De...QQcmdZViewItem
I know the original poster wants a pro duo but I provided the link just in case anyone is after one!
Mine turned up next day and it was sealed brand new in a box!