The Nintendo DS classroom

Let's face it every second kid in primary school already has one and are more than familiar with how to use it.  The DS is a pretty sleek and intuitive pieces of hardware with touch, voice recognition and all the other basic gaming functions.  The question is could teachers see any real benefit to having these in the classroom and what might we do with them?  This article has some interesting ideas coming out of Japan that may well be available to a wider audience in 2010.  Take a look for yourself.  Ipersonally don't know if it is a step in the right direction it seems to be the robot class dream of the 80's to me?