Sennheiser HD600http://www.amazon.com/Sennheiser-Hi-2dFi-Professional-Headphones-HD600/dp/B00004SY4HGrado SR80http://www.amazon.com/Grado-Prestige-SR80i-Stereo-Headphone/dp/B000G3LCQCAudio-Technica ATH-PRO5MSA Camouflagehttp://www.amazon.com/ATH-PRO5MSA-Camouflage-Closed-back-Headphones-Neodymium/dp/B00242NZE0Ultimate Ears super.fi 5prohttp://www.amazon.com/Ultimate-Ears-SuperFi-Isolating-Earphones/dp/B0009Q4PHOSenns for home listening for nowGrados for quieter work listeningAudio-Technicas for DJingUEs for mobile listening & loud work listening.Have also owned 2 pairs of the Etymotic ER-4Ps, but both broke. They sound great but they're fragile and expensive so I'm done.Next up, the Sennheiser HD800s:http://www.amazon.com/Sennheiser-HD800-Premier-Headphone/dp/B001OTZ8DA/ref=sr_1_1?ie=UTF8&s=electronics&qid=1276188875&sr=1-1