Good Email Copy - Email copy from great companies.
Good Sales Emails - Best sales emails from great companies
Stamp Ready - Create & send email campaigns simplified
Great Email Copy - A dose of emails from around the web.
MooSend - Moosend allows you to design and send your email marketing campaigns and track the results from an easy-to-use web interface as well as a direct SMTP server connection for your smtp client or web application.
Really Good Emails - A large collection of good product email design.