Other than being light - the carbon fibre lets it weigh in at under three pounds - the new skin has an added benefit, wireless. Without a metal shell, or even a thick plastic one, the range of the wireless card is increased. Win/win.
There supposedly is a configurator up on the site, but I can't find it, so no linking and more details. It should be up in a few hours though, so you can hunt all the details down on your own.
Personally, I would kill for one of these, I think it is finally enough for me to retire Mongo, my L laptop. I wonder if this is what Pat was waiting for? µ