So in my daily wandering through some blogs I follow I found a link to this post on the forums over at Pistol-Training.com.
Go read, it really reinforces the concept of the one minute letter/email. And it's hard to argue with the source.
http://pistol-forum.com/showthread.php?6347-Advice-for-those-of-you-writing-your-Congressional-delegation (http://pistol-forum.com/showthread.php?6347-Advice-for-those-of-you-writing-your-Congressional-delegation)