Need to know: Save 82% on two HDMI cables; Designed for high definition multimedia output; Great for 3D TVs and gaming; Gold-plated for premium quality; Postage and packaging is not included and costs £5.95; What & why: If you're not content with watching zombies amble along in a haze of bad quality visuals, and you'd really rather their groans were transmitted in the proper pitch, today's kgbdeal is for you. With the help of two cheeky cables you can take your audio-visual experience to epic…