As a regular user of Aircell's GoGo service on a few airlines, most notably Virgin America and AirTran, because they offer it fleet wide, I'm always happy to see greater efforts put on in-flight WiFi. The experience I've had has been "good enough" to "stay connected" and with all the work my team and I have going on a daily basis, some of which requires review in real time. Unfortunately, my choices in airlines and even flights domestically have been pretty much limited to those two because the other longer established carriers have pretty much only been deploying WiFi on their long haul routes or chosen to only deploy it on newer planes vs. retrofitting the older ones when they come in for regular maintenance. For the business traveler, WiFi in the sky is a must have. It changes the entire travel paradigm for those of us who need to be in touch more often, and for long haul flights of more than 3 hours, almost an essential. Sure, there's a point where you want to get away, but online connectivity has pretty much eliminated my need to "red eye."
The news about faster in the sky WiFi from ViaSat could not be better news as it opens up additional options for fliers and likely means that WiFi on International flights is not too far away.