MS have now published an eBook discussing the merits of one device/person. They're now calling it 1:1, rather than one laptop per child or any of the other phrases that have been used.
Some slides about including technology in the primary curriculum; quite a few slides are points for discussion, rather than containing information as such; however, others have lots of useful information.
Sign up page - you have to give your name/email address to get a copy. Focusses more on corporate/enterprise training that education in school/college/university.