"A small, light laptop makes an excellent second computer--unless it costs more than your first.
"The computer industry has been taking its time to grasp that point. The smallest, lightest computers have routinely sold for $2,000 or more, with most under-$1,000 offerings limited to heavy, bulky laptops that can't stray far from a desk or a power outlet. (Dell has one under-five-pound machine that starts at $1,000...)"