I guess I'm one of the lucky ones that has received a Gertboard kit.
I just spent quite some time searching for the assembly manual. Here is a link to the Gertboard technical documents at Newark/Element14.
http://www.element14.com/community/docs ... pi#anchor3
PS. You will need a user name and password to access each of the documents. After viewing the documents via your browser, you will need to scroll down below the document and select the download link if you want to have a pdf version.