I am guessing that anyone that is a microbrew fan and travels a great deal, is probably quite aware of this problem.  At least on the airlines I typically fly, getting a good beer on board usually means having to settle for a Heineken

To make matters worse, on the flight back San Diego from Washington DC on Delta this month they have two great articles in their Oct05 Sky Magazine to make this dilemma worse: Overview of Oktoberfest, and a highlight article on Dogfish Head Craft Brewery.