Connie has a great post today, Email Is Not My Job. Connie refers to Stephen's site You Are Not Your Inbox. Chris Brogan even has some techniques for routing your email for productivity. Sometimes I feel like just spinning the Email Decision Wheel.
Email Decision Wheel
Perhaps the simplest means of maximizing your email productivity may have been discovered by Mark, the President of Patronpath, today. He simply adjusted his Send and Receive settings to check for new email every 60 minutes.