I just tried the link Acebit sent me and the offer expired yesterday.
All I can suggest is you contact them saying you were forwarded the email and see if they will honour it
here is the link anyway...
https://acebit.cleverbridge.com/49/uurl-ui4fznfzf5
or
http://www.acebit.com/news/news1305_en.html?utm_source=NL05_2013&utm_medium=EMAIL
good luck