You definitely need a good squeeze page to capture your opt-in leads information.
Here is a free squeeze page program that comes with two ready made pages and a very handy PDF ebook.
Aweber has an excellent autoresponder service and offers unlimited messages, but it's 20 bones a month with great support. Getresponse has a good free service, with email support only. Luck! Ken
http://www.stuffyourmattress.com