You will find many different opinions as to which Voice Recognition [VR] product is best, why, for what kind of user, application, helps in using VR, and Text To Speech [TTS]. Some of the members of the group are resellers, most are actual users of various voice recognition products. You are welcome to join.
If you don't wish to joint the email group, you can still read the postings because there is an archive of postings to this group at: http://www-uk.hpl.hp.com/people/ange/archives/archives-97/voice-users-archive/index.html#start