First, here is the final report from the Gearing Up conference at the Institute for Mathematics & Education held in April, 2011. It is very little changed from the draft that I put up a while ago: 2011_12_06_Gearing_Up.
Second, here is a report from a meeting organized by Paola Sztajn, Karen Marrongelle, and Peg Smith: http://www.nctm.org/uploadedFiles/Math_Standards/Summary_PD_CCSSMath.pdf
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The final (March 2012) version of the Sztajn et al report “Supporting Implementation of the Common Core State Standards for Mathematics: Recommendations for Professional Development” is here.