If you’ve been holding your breath for WiFi connectivity on the airplane, then go out and get some air. After that, read this post, which links to this story, and also has a few interesting comments.
I myself am not yet too disappointed. Most of my travelling is still ahead of me, so airlines have some time on their hands to figure out the solution to this problem. But I do expect them to provide me some sort of wireless connectivity by the time I will fly around the world with my son. Because, how else are we going to duel in Quake VIII?