According to the Walkman blog, we now have "confirmation of the colors", which include: There are color codes for nerds like us as well — "BM (black), SM (platinum silver) and LM (midnight blue)." ...

sky blue joins midnight, starlight, and silver to complete the brilliant array of color choices for MacBook Air. All color options, including sky blue, come with a color-matched MagSafe charge cable.

There are color codes for nerds like us as well — "BM (black), SM (platinum silver) and LM (midnight blue)." Two of those were the launch colors for the XM5 — Black and Silver — while Blue ...