Flip it around and you'll find the minute tweak that marks it as a US model: the shifting of the Beats Audio logo upwards and, in its former place, the presence of T-Mobile's logo above the speaker grille.
Flip it over, and you'll find a back that also shares a lot with its E Ink brethren, with a soft-touch feel that's carved out to help you grip the thing.
The MacBook Air has far fewer ports than what you'll find on some of the monstrous "desktop replacement" laptops now available: Flip down a small hatch, and you'll find three that can handle many needs.
T-Mobile's influence on the L9 is immediately apparent as soon as you start up the phone -- you'll find a magenta-tinged wallpaper and widgets as you flip through the seven home screens.