Music, movies, and other multimedia applications aside, no one can touch Nintendo in the world of portable gaming. From the first Game Boy in 1989, the intuitive user interface, the addictive gameplay, and the cutting-edge hardware design ensured that see...

Over the past quarter-century, consumers have been bombarded by portable electronics. From the Walkman, to the PDA, to video players and handheld games of every description, the allure of technology-to-go has proven irresistible. But what constitutes a tr...