Original poster: "Tuite, Tom by way of Terry Fritz <twftesla-at-qwest-dot-net>" <TTuite-at-ALLEGROMICRO-dot-com> Is this OT? Not sure but an interesting read I am sure many of you have already seen, but anyway. As some one who ignores most posts unless they are about SSTCs I thought this interesting :) http://www.sciam-dot-com/2002/0502issue/0502leeper.html