Few notebooks are as respected as Panasonic's Toughbook line, and that's partly because they don't fade away like an old general, they just keep getting upgraded. The Toughbook 19, a 10.4-inch convertible tablet, is the latest to receive some augmentation, this time in the form of a 2GHz Intel Core i5-540UM processor. It's mounted in the same bomb-proof magnesium case that we know and love, enabling it to survive six-foot falls with ease. (Trust us, our ears are still ringing from the time we
