If you read the pages of Tickle Hill Publishing or get any of our emails, you know I think a lot of Charlie Page and what he has shared with internet marketers over the years. I am a member of both the Directory of E-zines and Follow Up Selling Systems and highly recommend both. Here is an article that Charlie wrote not too long ago that describes some ways to list building. Let me know if you like the article.
http://charliepage.com/three-ways-to-build-a-list-with-your-blog