The $100 laptop currently in development for school children in developing nations looks really interesting, almost perfect for outdoor use especially as it has been designed to overcome the constant problem of lack of availability of mains electricity supply as one of its main design goals. It also appears to be designed to be rugged and best of all no Microsoft so it has an elegant and efficient opensource OS.

Details available at http://news.bbc.co.uk/2/hi/technology/6908946.stm