Count me as among those who doesn't feel much safer flying now on an airplane in the U.S. than before 9/11. With the partial exception of the new checked baggage rules, none of the initiatives employed will make a major difference in the safety of U.S. commercial aviation.
For instance, showing an ID and ticket three times will NOT stop a suicide bomber intent on blowing up the plane with the device in his bag-matched but explosives-unscreened luggage. In that regard, I see flying in the U.S. as a lottery of sorts, where you hope that your number NEVER comes up...