What's a chip maker to do after successfully hawking five million of its Fusion APUs? Why, expand the line, of course! A leaked slide deck from within the lairs of AMD is showing off quite a bit of the company's upcoming roadmap, and while a good deal of it has already been made public in one way or another, there's one term that's causing all sorts of buzz -- and for good reason. Desna is the name to know, a Z-Series APU that's aimed squarely at the tablet form factor. To date, only a handful of chips have managed to slide into slates, and while we always reckoned that a
