As a reader discovered, Staples offers the Beats by Dr. Dre Executive Over-Ear Headphones in Silver, model no. 900-00047-01, for $169.99 with free shipping. That's $15 under last month's mention and the lowest total price we've seen. (It's a current low by $30.) They feature active noise cancellation (powered by two included AAA batteries), a 4.5-foot detachable cord, 1/4" audio adapter, and carrying case. Deal ends November 18.