I have a pair of Shure. Very good for listening to an ipod on an airplane, they also have an awesome warranty.
http://www.shure.com/PersonalAudio/P...dels/index.htm
London Drugs usually has them on sale, they keep them behind the counter.
Here is a faq on sound Iso vs sound canceling.
http://www.shure.com/PersonalAudio/R...logy/index.htm