An acronym for One Laptop Per Child.
This project is building a laptop for students running Linux and costing around US$100-$200. It has a whole lot of innovation like low power consumption, new user interface (Sugar), tickless operation etc.
MurrayPearson is involved in the project.
Their website is at http://laptop.org.
This project has spawned an entire LowCostLinuxPC market trend.
3 pages link to OLPC: