BuyDig via eBay offers the Audio-Technica Audiophile Open-Air Over-Ear Headphones, model no. ATH-AD900X, for $109 with free shipping. That's $6 under our mention from June and the best outright price we've seen. (It's also the best deal now by $30.) These open-back headphones feature 53mm drivers, a frequency response of 5Hz to 35kHz, and gold-plated 3.5mm connector (with a 1/4" adapter).