The Efficiency Programme: A second review of progress : Report by the Comptroller and Auditor General / NAO, 8 February 2007
http://www.nao.org.uk/pn/06-07/0607156.htm
HC 156 I & II 2006-2007

Full Report - Volume I
PDF - http://www.nao.org.uk/publications/nao_reports/06-07/0607156i.pdf
Full Report - Volume II
PDF - http://www.nao.org.uk/publications/nao_reports/06-07/0607156ii.pdf
Executive Summary
PDF - http://www.nao.org.uk/publications/nao_reports/06-07/0607156es.pdf
http://www.nao.org.uk/publications/nao_reports/06-07/0607156es.htm