There's a new player in the quad-core SoC game and it's called the MT6589. MediaTek announced today that it's launching the world's first quad-core Cortex-A7 SoC and gave us the opportunity to take it for a spin -- in prototype form, of course. The MT6589, which includes the aforementioned quad-core Cortex A7 1GHz+ CPU, also features a PowerVR Series5XT GPU, high-performance multimedia support (13MP / 3D camera, 1080p video a