Ryan Carson just posted a small tip on his blog about how he improved his email productivity using TextExpander for the Mac. Using a mix of keywords and/or keyboard shortcuts, TextExpander slashes the time it takes to write an email, especially if it contains lots of content that you repeatedly use. Perfect for writing support emails. I didn't need to look for for a Windows alternative. The QuickText extension for Thunderbird does exactly the same thing. Just define your shortcut, along with its own keyboard shortcut and keyword. Then write your email - very quickly! Another genius product!