After Creative took down a third party for fixing their broken Vista Audigy and X-Fi drivers, a huge public outcry resulted. Since then, Creative has hurriedly deleted their initial post and replaced it with a defensive note. You can still see the original post in this archive.
Anyway, Daniel K has responded in a Wired interview. I don’t know if it’s real, since it was posted on April Fool’s day, but it looks real. The update is that Creative has relented and allowed him to release the modified X-Fi and Audigy drivers minus some bits which allowed the drivers to be used on any sound card. As a result, he has posted the drivers to http://hosted.filefront.com/braziliantech/