There are a number of questions about Dragon NaturallySpeaking which come up again and began.  I'll try to maintain the list of these "frequently asked questions" along with my own personal answers.  If you do not see the answers to your questions here, you can send be an e-mail and if I believe the topic to be interesting to a broad audience, I will answer it here.
 
What is Dragon NaturallySpeaking?
What Versions of NatSpeak are Available?
What Features are in Each Version?
Does NatSpeak Work Better on an MMX Processor?
When Does NatSpeak Adapt and Learn?
What Does the Vocabulary Builder Do?
Can You Dictate Directly into Microsoft Word?
Can You Dictate Directly into Other Applications?
How to Override the Audio Setup Wizard
Moving Speech Files Around
What Version of NatSpeak Should I Buy?
Is There an Easter Egg in Dragon NaturallySpeaking?
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