Dragon NaturallySpeaking (US English) currently ships in the following versions:

November 11, 2004

NaturallySpeaking Version 8 Home Page

NaturallySpeaking version 8 What's New!

NaturallySpeaking Business version 8

NaturallySpeaking Professional version 8

NaturallySpeaking Medical version 8

NaturallySpeaking Legal version 8

NaturallySpeaking Preferred Edition version 8

NaturallySpeaking SDK Developer Edition version 8

NaturallySpeaking SDK Server Edition version 8

NaturallySpeaking SDK Client Edition version 8

Products as of January, 1999

Dragon Point & Speak 3.52
Dragon Point & Speak is not actually a version of Dragon NaturallySpeaking, but it is based on the same technology.  Point & Speak is sold through mass-market channels and it allows you to dictate into any Windows application.  Point & Speak is basically Dragon NaturallySpeaking without the Dragon NaturallySpeaking editor and without Select 'n' Say error correction.

Dragon NaturallySpeaking for Teens
A special version of the Standard Edition which includes acoustic models and vocabularies designed for teenagers.  Some features of the Standard Edition, however, have been removed to simplify this product. (See What is Dragon NaturallySpeaking for Teens?)

Dragon NaturallySpeaking Standard 3.52
The Standard Edition is the low-end version of Dragon NaturallySpeaking itself.

Dragon NaturallySpeaking Preferred 3.52
The Preferred Edition is the high-end retail version of Dragon NaturallySpeaking.  It contains all of the features of the Standard Edition plus additional features such as playback of recorded speech and text-to-speech.  

Dragon NaturallySpeaking Mobile
A complete copy of Dragon NaturallySpeaking Preferred, plus a Dragon NaturallyMobile pocket recorder (What is The Dragon NaturallyMobile Recorder?) and recorder interface software

Dragon NaturallyOrganized
A new mobile product which allows you to dictate tasks, appointments, e-mail, notes, etc. into the Dragon NaturallyMobile recorder and have that information automatically transferred into Symantec ACT!.  A complete copy of Dragon NaturallyMobile is included.  (See What is Dragon NaturallyOrganized?)

Dragon NaturallySpeaking Professional 3.52
The Professional Edition is the version of Dragon NaturallySpeaking which is aimed toward professionals and which is sold through the VAR channel.  The Professional Edition add support for multiple vocabularies and user created macros.  

Dragon NaturallySpeaking Medical Suite
The Dragon NaturallySpeaking Medical Suite is the Professional Edition plus a base vocabulary optimized for medical applications.

Dragon NaturallySpeaking Legal Suite
The Dragon NaturallySpeaking Legal suite is the Professional Edition plus a based vocabulary optimized for legal applications.

Version 3 Family (Jun 1998)

Dragon Point & Speak 3.0

Dragon NaturallySpeaking Standard 3.01

Dragon NaturallySpeaking Preferred 3.01

Dragon NaturallySpeaking Professional 3.01

Dragon NaturallySpeaking Medical Suite

Dragon NaturallySpeaking Legal Suite

Version 2 Family (Oct 1997)

Dragon NaturallySpeaking Personal 2.02

Dragon NaturallySpeaking Preferred 2.02

Dragon NaturallySpeaking Deluxe 2.02

Version 1 Family (Jun 1997)

Dragon NaturallySpeaking Personal 1.00

Dragon NaturallySpeaking also ships in the following foreign languages

   UK English
   French
   Spanish
   Italian
   German

Here are some pages with additional details:
 
What is Version 3.01 (as opposed to version 3.0)?
What is the New Version 3.0?
Personal, Standard; Deluxe, Professional - What's the Deal?
What is Point and Speak?
What's with WordPerfect, NaturalWord and Legal Editions?
What is Version 2.0 (as opposed to Version 2.02)?
Is the Version 1.0 NatSpeak I Just Bought Obsolete?
What is the Preferred Edition?
What is the Deluxe Edition?
Web page hosting graciously provided by
Synapse, a provider of speech recognition solutions.