The Razer Blade laptop has been graced with a refresh, getting some impressive upgrades in the form of an optional 4K display and Kaby Lake processor.The CPU has been juiced up from Skylake (Core i7-6700HQ) to a Kaby Lake Core i7-7700HQ quad-core processor, the obvious step up to take, providing more grunt and better power efficiency chops.The 14-inch...