The following versions of Dragon Medical are for individuals whom have never owned a Dragon Medical product in the past.  The initial license is a bit expensive, however, DMPE4 allows you to install and activate on up to 4 computers.  In essence, $400 per workstation.  Each of the following products include the 4 device activations, a headset USB microphone as well as an additional bundled microphone if you choose a bundle.

Dragon Medical Practice Edition 4 Full Versions