Right out the gate, it did a very good job of converting your speaking to text. The one missing piece was built in voice commands. This week Google has added these. You can now pause and say things like "Select last word", "Bold", "Center" and more. For a complete list visit- https://support.google.com/docs/answer/4492226 or you can access commands from within voice typing by saying “voice commands help”.
Also here is a link on using voice commands and assistive technology devices, provided by Eric Van Buskirk-
Future Of Search Engines: Voice Commands vs. Keyboards (http://clickstream.cc/future-search-engines-voice-commands-vs-keyboards), and created the webpage using code/html that's WC3 accessibility compliant.