Really Good Emails - A large collection of good product email design.
Pricing Page Teardown from ProfitWell - Data and banter behind the best (and worst) pricing pages
Good Sales Emails - Best sales emails from great companies
Context Matters - Podcast on intersection of business, technology & culture
Great Email Copy - A dose of emails from around the web.
Business Dad with Alexis Ohanian - Conversations with dads about balancing career & family