News.com reports that designing computing machines that are durable, resilient and affordable is tougher than one might expect. More than one computing machine designed for the poor has flopped in recent years, notably the Indian Simputer and the Brazilian Linux PC for the poor. However, there are currently several initiatives that should be under serious consideration from everyone. Some of these include: the Negroponte $100 laptop, the SUV computer, and the Microsoft cellphone…