From the Philly Inquirer:
She was released after she had a telephone conversation with the Vice President Dick Cheney's chief of staff, I. Lewis Libby, sources said. In that conversation, Libby reaffirmed that he had released Miller from a promise of confidentiality more than a year ago, sources said.
http://www.philly.com/mld/philly/news/12775934.htm
So does this mean she'll be spilling the beans?
Update: MSNBC is confirming according to multiple posts below. Will be testifying tomorrow.
Update 2: Some links for you all that are from down below. Thanks to everyone who posted them. See extended:
http://www.editorandpublisher.com/eandp/news/article_display.jsp?vnu_content_id=1001219289
http://www.nytimes.com/2005/09/29/politics/29cnd-court.html?hp&ex=1128052800&en=ab3e643986deb5a5&ei=5094&partner=homepage
http://www.washingtonpost.com/wp-dyn/content/article/2005/09/29/AR2005092901972.html
http://news.google.com/news?sourceid=mozilla-search&ie=UTF-8&oe=utf-8&client=firefox-a&rls=org.mozilla:en-US:official&tab=wn&ncl=http://abcnews.go.com/Politics/wireStory%3Fid%3D1171581&hl=en&scoring=d