Macspeech is atrocious
I have used Dragon 9 with success, via Boot Camp and Parallels on a Mac, after miserable failure with Macspeech's previous product.
When the new Macspeech Dictate came out, I bought it immediately.
For me, it was absolutely TERRIBLE. I am tempted to write a few thousand words about all the things wrong with it. Suffice it to say that I found it completely useless and a total waste of money.
Their tech support, on the two occasions I called for help, was friendly and absolutely useless. Rather than go down the road of frustration, I merely thanked them, hung up, and uninstalled the software.
I would keep using Dragon.