Yea it's a good article. I read it about 2 weeks ago and it blew my mind. One thing that me and a friend of mine discussed was that if diamond processors did come into the mainstream there will be limitless potential for them. Think about this:

If (I stress the if) the traces on a diamond (i.e. the roads for info and such) are burned into the diamond or cut into the diamond it will only be a matter of time before someone figures out how to totally shave it back down and redraw them closer together thus making it faster. But, this is not without it's own electrical and heat problems plus tons of others I'm sure I don't know about due to me not having a Processor-O-Matic™ just hanging around the house. Kinda neat to think about though.