Amazon.co.uk has few nice offers

[bossland]

They are limited to 5 per , but you can get them delivered for free here:

Belgium, Denmark, Luxembourg, Netherlands, Andorra, Finland, Gibraltar, Greece, Iceland, Ireland, Italy, Liechtenstein, Norway, Portugal, San Marino, Spain, Sweden, Vatican city, Poland

Lich King ?11.99

Battlechest ?9.99

It is not that cheap as the Blizzard store offer was, but it expired ...