TODAY BOTH Intel and AMD are unleashing brand-new processors on the world, and both companies aim to claim the title of "fastest PC processor." The most significant advances come from Intel. The company is launching its Pentium 4 "Northwood" chip at 2.2GHz. With higher clock speeds and a larger L2 cache, Northwood might just give the Pentium 4 a decisive performance lead for the first time ever. AMD isn't standing still, however, and its Athlon XP 2000+ is primed to defend its turf. Will it succeed, or with Northwood's stratospheric clock speeds finally make the competition succumb? Read on to find out.