Good news! We are really close to announcing our new speech reco writer. He is someone that has spent quite a bit of time in the speech reco area and he’ll have quite a bit of user experience to pass along.
Until then, you might want to check out this post from Carl Franklin, who talks about his success with Vista and speech recognition. As Microsoft’s Rob Chambers mentions in this article pointing to Carl, the Speech Reco team just released MSR macros to help folks get things done a lot quicker using voice commands, so that out to make Carl even happier.