Adorama offers the Sennheiser HD600 Stereo Headphones, model no. 4465, for $239 with free shipping. That's $6 below our mention from a two weeks ago and the lowest total price we've seen. (They're a current low by $21, although most charge around $279 or much more.) They feature a Kevlar reinforced 10-foot cable, 300-ohm impedance, and 12Hz to 39kHz frequency response.