Filed under: DesktopsWe're sure there's a broad swath of our readers who think every Apple-related rumor is patently untrue (which, let's be fair, isn't the case by a long shot), and an even larger number of people who think the mere act of writing them up is idiocy. Well, we suppose this one goes out to all of you.So as it turns out, a convincing (if suspicious) sounding tip written by none other than Google Product Manager Tom Oliveri made its way to number of select high profile gadget blogs this morning, promising the following inside information about Tuesday's announcements:"Macbooks - no cosmetic changes will be getting santa rosa chips [This one's especially ric