VMInnovations offers the Sennheiser HD 429 East Version Over-Ear Headphones for $53.99. Coupon code "CS5NCJS" cuts them to $29.99. With free shipping, that's $5 under our mention from two weeks ago, better than its Black Friday deal, and the lowest total price we've seen. (It's a current price low by $23.) These headphones feature an 18Hz to 22kHz frequency response and tangle-free cord.
Note: They're not guaranteed for delivery by Christmas.