BuyDig offers the Able Planet Clear Harmony Around-Ear Active Noise-Canceling Headphones, model no. NC1000CH, for $164.99. Coupon code "POWER100" cuts them to $64.99. With free shipping, that's $35 under our February mention and the lowest total price we've seen. (It's also a current price low by $135.) They feature active noise cancellation via two AA batteries (included), one airplane adapter, 20Hz to 20kHz frequency response, and more.