NewsLetter Components for joomla!

Letterman
http://www.onestopjoomla.com/component/option,com_remository/Itemid,47/func,fileinfo/id,131/

ANJEL
http://www.onestopjoomla.com/component/option,com_remository/Itemid,47/func,fileinfo/id,128/




Read info:
http://www.compassdesigns.net/joomla-blog/joomla-reviews/joomla-email-newsletter-review_2.html