Originally Posted by CrazyOne

It doesn't have to be quite that much; that's just how much you pay if you want a multi-function adapter (one that works in cars and planes that use the car-type socket as well as planes that use EmPower). For Apple laptops, if you just want EmPower capability you can get a straight-through EmPower cable for $28 from here http://www.madsonline.com/ They also make an auto/air combo for $78. They make a version of the combo that works with several PC laptops as well, but there isn't one unit that works with both from that outfit, it seems. Note, the straight-through EmPower cable won't charge your battery, but it will power the laptop for use during the flight.