The ultraportable category in the U.S. has been growing at a rate at which even Asian countries are beginning to raise their eyebrows, and why not? Chips and transistors are shrinking every year, while performance continues to climb. The Sony VAIO VGN-SZ370P ($2,080 street) is a classic example of miniaturization meeting power, as it loads a high-performance processor and discrete graphics into its 3.8-pound frame. You'll have a tough time deciding between it and the Lenovo ThinkPad X60 (Vista).