Companies that make video cards like to lay claim to the title of world's fastest when they can. AMD and NVIDIA like to do the same thing trading the title back and forth. MSI has unveiled a new video card at Computex 2011 called the N580GTX Lightning Xtreme Edition. This isn’t the first video card from MSI packing in the NVIDIA 580GTX GPU. The N580GTX Twin Frozr II surfaced form MSI back in January. The latest card gets a new fan and sensor design.