<A target="_blank" href="http://www.wired.com/reviews/product/ideapad_y650">At just 5.6 pounds</A>, with a 2.53-GHz Core 2 Duo processor, 4 GB of RAM, a 320-GB hard drive, and a 16-inch screen Lenovo's IdeaPad Y650 has lot to offer. Of course, there are some things it doesn't have.