If you were to log in, you'd be able to get more information on your fellow community member.
I think this should be compulsive reading for all web developers. I was just trying to work out what kind of systems it would take to support the kind of load I was anticipating. Now I know! What you say is common sense to anybody, the only point most people don't realise is whether or not the simple idea can hack the load. Now we know it can. Thanks very much. Sam