During a tutorial that Chris Blizzard gave at Linux.conf.au, there were quite a few interesting ideas and concepts raised that presented an interesting blueprint for Linux in the future.
The OLPC (One Laptop Per Child) project is in the enviable position at the moment of being able to change technologies and directions as they choose, with no rollouts and a lot of the work still to be done software wise. Free of the inertia that an existing product presents, OLPC can be fresh in its thinking and be a trend setter.