So I have had my MBA for 3 days now and followed battery protocol to the T, from initial charging to the complete battery calibration. However, my battery was showing a fast drop in the initial 30 minutes or so of use [well it wasn't getting the life I thought it should anyway]. I went to the Genius Bar tonight and the Genius said some type of internal power regulator had to be reset. He shut down my MBA and held down Control + Options + Power button + Shift [it spells COPS] for 20 seconds. This supposedly resets this power regulator thingy and when the computer restarted it had to reset its time and date. The Genius said to recharge my computer completely and that I should be good to go...hopefully that proves to be true. He did seem to say that Apple will be addressing our battery concerns in some form though....