I am going to be flying on Lufthanza to go to 23C3. If I'm lucky I'll have Flynet (Boeing Connexions) wifi on both legs. It's suppose to terminate on the day I return from Berlin. However... I don't have enough Watts. The Lufthanza seats (as with most airlines) only do 70 Watts. My MacBook Pro takes 85 Watts and My Dell XPS M1710 130 Watts. Arggh! This is so frustrating... If you haven't experienced trying to draw more wattage out of an airline plug, it's a pain. It looks like it's working for a minute, but it will just shut down and the LED turns red when you try to draw too much power.
It may be because of all of the complaining from people like Larry, but Apple released an airline power cable for the MacBook Pro which allows you to plug it into DC Power connectors which most US airlines use. It doesn't recharge the battery and appears to solve the problem. However, this solution doesn't help you on the airlines that just have an AC power outlet. (Most of the rest of the world.)
I wonder if it's possible for the airlines to increase the maximum power on the seats. I sure hope so.