Man forget about the Grid , you failed to mention the reason for the Grid , to gather the information from the (LHC)Large Hadron Collider , a potentially dangerous experiment with the capacity to destroy earth if anything goes wrong. Here's a link to some of the risks involved.
http://www.risk-evaluation-forum.org/anon1.htmhttp://www.youtube.com/watch?v=bQYXMqEwRxcWow , it's incredible that I had never heard of this LHC , I would imagine something of such magnitude would be mainstream knoledge.