The folks at Nuance have been working on Dragon Naturally Speaking for a long time (well ... actually, they used to be at Scansoft, and before that it was L&H, and before that it was Dragon Systems, I think ... ). But, at any rate, this week they released their latest version of DNS, version 9.

You can read a bit about it here on news.com. There are also a few comments (and a few quotes) by me about Windows Speech Recognition in Windows Vista.