Big News from LC regarding RDA implementation:

As will be seen in the attached plan [on the website via the link below], we have determined that date to be March 31, 2013.
LC’s partner national libraries (U.S.: National Agricultural Library and National Library of Medicine; and non-U.S.: British Library, Library & Archives Canada, Deutsche Nationalbibliothek, and National Library of Australia) have been apprised of our plan and also intend to target the first quarter of 2013 as their RDA implementation date, i.e., between January 2 and March 31, 2013.

LC training plan:

Announcement here: