I've heard a whole bunch of times that a 700 or 800 mhz computer can pretty much handle most of what people usually use a computer for. It was said that this will be true for some time to come. If this is true, why should people feel the rush to go out an purchase a computer with intels latest megaleap in spead? What's the real difference between a 3.0 ghz machine with 256mb of ram and a 1.5 ghz machine with 1 gb of ram?