I think the TSO thing is BS. The reason the UflyMike has met so much resistance is probably because Bose doesn't want to have a product competing with its $1000 aviation X headset. I have used the QC2 for years now, and have never had a problem with it, I highly recommend it. Everyone I have recommended it to has loved it. If these new QC15's are even more quiet than the QC2, I might just make the upgrade.