Nokia's stylish, teardrop-shaped 7600 may be the ultimate in morphed devices. The 7600 phone is the centerpiece of Nokia's third-generation (3G) handset push in Europe. (3G is the long-delayed technology designed to deliver video and Internet services to mobile devices.) Plug in the headphones and you can listen to your favorite tunes in MP3 format or in advanced audio coding (AAC), a rival standard that is expected to pick up popularity when Apple's AAC-based Music Store launches in Europe this year. The 7600's built-in Web browser allows users to download songs from any compatible music-sharing site, with sound as good as...
