SQL Server 2008 R2 Developers Training Kit の April 2010 版が出ました〜
rdoherty's WebLog より
SQL Server 2008 R2 Update for Developers Training Kit – April 2010 Update
http://blogs.msdn.com/rdoherty/archive/2010/04/12/sql-server-2008-r2-update-for-developers-training-kit-april-2010-update.aspx