A couple of coworkers have these: http://www.asus.com/ROG_ROG/Vulcan_ANC/ http://www.asus.com/ROG_ROG/Vulcan_ANC/ They're really quite impressive considering th

A couple of coworkers have these: http://www.asus.com/ROG_ROG/Vulcan_ANC/ http://www.asus.com/ROG_ROG/Vulcan_ANC/ They're really quite impressive considering the lowish price. Apparently there's a new version, the Vulcan Pro... probably has the same noise cancellation circuitry.