are you aware of the specs of the new XBox and what it will be capable of right out of the box?
if not, open up a new tab in your browser and google...
the only way you are going to build structures to survive a direct hit by a tornado would be to build everything out of steel reinforced concrete......
i already have a computer that fits in my pocket... i use it mostly for making phone calls, sending text messages, and updating my facebook status......