In the comments, someone (from last week) linked to this post: http://mikeconley.ca/blog/2011/09/07/creating-a-new-thunderbird-address-book-the-feature-page-and

In the comments, someone (from last week) linked to this post: http://mikeconley.ca/blog/2011/09/07/creating-a-new-thunderbird-address-book-the-feature-page-and-some-literature/ http://mikeconley.ca/blog/2011/09/07/creating-a-new-thunderb... So, it seems like work on a better address book is ongoing.