AMD has struggled of late to produce anything akin to a "good idea," but we've got to give a serious high five to senior VP and CMO Nigel Dessau on this one. While pumping gas one day and thinking about the low / high MPG ratings on vehicles, he began to wonder why laptops are being left out of that scheme. Handsets have talk time / standby time, PMPs have separate longevity ratings for audio and video -- so why on Earth are we generally given just a single figure for laptops? Testing has shown that almost always the quoted figures from laptop makers aren't even close to wh