Move your speech profile
Okay, you've gone through the effort to train your Microsoft dictation system, like the one in Office or the TabletPC. You move computers. Do you have to train it again?
Be careful: the MS engine profile optimizes your voice for the context in which it was trained, so you may want to adjust the training again if you switch to a computer with a different microphone or if you change other acoustic characteristics like moving from a desktop in a small room to a TabletPC that you use outdoors.