I don't know which ones to get.
Those sony sound-canceling ones I used had a cord extension on it that made it long as hell. But without the extension, the cord is only long enough to put in a breast pocket or something.
I'm leaning towards these:
http://www.ecost.com/ecost/ecsplash/sho ... 176770.asp
the other cheaper pair:
http://www.ecost.com/ecost/ecsplash/sho ... 205779.asp