Awesome Mails - Awesome Mails creates beautiful image map emails, featuring an easy to use drag-and-drop editor...
Really Good Emails - A large collection of good product email design.
Marble Responsive Email Designer - Marble helps you design beautiful and mobile-friendly emails and newsletters.
Good Sales Emails - Best sales emails from great companies
Mizmoz - Easy-to-use, state of the art, email service provider dedicated to support growing businesses.
Great Email Copy - A dose of emails from around the web.