If you know of someone who has an XO from the OLPC project, especially if it is collecting dust, it can provide much needed assistance to children in Haiti. More details at:

wiki.laptop.org http://wiki.laptop.org/go/OLPC_for_Haiti
http://wiki.laptop.org/go/OLPC_Haiti
http://wiki.laptop.org/go/OLPC_for_Haiti/Support

And you might want to have a look at what this Canadian company, Userful.com, is doing in 100 countries around the world, installing linux systems in schools and libraries! userful.com :-)

Not bad, eh? 30,000 schools using userful systems!! :-)
microsoft-plays-catch-up-linux-virtual-desktop