Raspberry pi is as powerful as my Xbox 1. They are currently $15 and XBMC runs very well.
My 5v Pi though will be integrated into a self sustaining environment, that could eventually replace my power hungry desktop.
That is the attraction, and if the model A comes to fruition we will see more Linux capable people in the job market.
What I would like to know if the Model A will be able to run Froyo, which is miles better than Linux for an OS, and could be compatible with Windows 8 in the future.
I cannot see kids learning Python, but I could see them programming in a cheap c#/XNA capable box/environment.
At the end of the day, it is for the children to own and learn.
Which is the best thing that could ever come out this industry in the last 10 years.