The Y580 led the avalanche of Lenovo IdeaPads unveiled at CES; its dependence on both Intel Ivy Bridge processors and Kepler-based NVIDIA graphics kept it out of the spotlight for some time, but it's now ready to ship out. The finished 15.6-inch laptop skews very clearly to gamers and other performance mavens. The range starts off with a quad 2.3GHz Core i7, a
