If you could name one feature–and only one feature–that would make your next computer more useful, what would you choose? Everybody’s entitled to his or her own opinion, of course. I know what mine would be: much better battery life. The sort of battery life that might let me go out for the day and work as much as I ...

Walt puts to the test the battery-life claims of the Apple's new MacBook Air and Sony's Vaio Pro.

Intel has introduced a new generation of processors and chips that it claims can dramatically improve the battery life of laptops. Walt Mossberg reviews Apple's new MacBook Air and Sony's Vaio Pro 13 that are equipped with these new chips. (Photo: Apple/Sony)

The 14-hour battery on the new 13-inch Air is great, but MacBooks still don't come fully optimized out of the box. [Read more]    

While it certainly wasn’t the biggest story out of WWDC, Apple’s new MacBook Air notebooks are garnering rave reviews. On the surface, not much has changed with Apple’s line of ultraportables. The Air still sports the same display, ports and form factor. According to Macworld‘s benchmarking, the computer’s new Intel HD 5000 integrated graphics card... Read More...