You don't have to read a 3rd party article to for official word on the Imagio. Directly from Verizon:
http://news.vzw.com/news/2009/10/pr2009-09-30b.html
My point is that if your sources said the 20th for the Imagio and/or "sooner or later or not at all", I wouldn't trust them very much on whether we're getting drivers or not.