Software
Among the preinstalled is a special interface for kids, that can be altered by the teacher when they're networked, called Easybits...
...and a classroom suite from interactive whiteboard maker Smart Technologies (pictured with strategy and alliances guy at Smart, Patrick Weinmayr) which facilitates interaction between the teacher and student via the PC.
It seems that a lot of the technology companies here at BETT envision a future when all kids have their own laptops and carry them around in the same way we used to carry school books.