IntroductionIt's hard to recall a gaming laptop as extreme as the Predator 21 X. Acer has thrown everything it has at its latest creation — including twin GTX 1080 GPUs configured in SLI, a curved 'cinematic' display (a first on a laptop), and even Tobil eye-tracking tech that lets you control camera angles with your eyeballs. Simply put, it's the nuttier...