I may be a little late to the party but I have just stumbled across a piece of software called VoiceAttack - it has so much potential and has already changed the way I play the game. See the video below for a quick example of it in use with the dogfighting module:
You can programme your voice commands to do a whole bunch of stuff all with responses from your computers A.I (Microsoft text to speech voice). Not only is this helping my flying but also adding in a whole new dimension for role playing and immersion. If anyone is interested in using but needs help setting it up, please don't hesitate to send me a pm and i will see what I can do!