The new VoiceInput4Windows application was released. It allows enter text to a laptop or PC using the Google voice recognition technology. So if you use this service on your phone you can simply use it on your PC. Just speak to phone and send the recognized text to any application on PC in a single click.
The application website: http://voicekeyboard.blogspot.com/
Android market link: https://market.android.com/details?id=su.vistar.voicekeyboard.trial