The USA state of Florida introduced a massive state-wide 1:1 programme started in 2003 with Apple. The state has put a lot of resources into supporting the initiative. This site has a lot of useful ideas.
Home - http://fcit.usf.edu/
Technology Integration Matrix - http://fcit.usf.edu/matrix/index.html
Wireless Laptops in Education - http://etc.usf.edu/plans/default.htm