I recommend the ATH-CKM99, is a very comfortable IEM with good sound quality.
Reviews of teh ATH-CKM99: http://www.head-fi.org/t/550802/audio-technica-ath-ckm99-review
How IEM is the same price range and competitor, I thought good to create this topic.
Those who can, do a comparison between the two IEM.
Here are the topics of discussion these two individual...
Sony Mdr-EX600 and ATH-CKM99.
http://www.head-fi.org/t/556569/sony-mdr-ex600-impressions-appreciations-and-cake-not-included
http://www.head-fi.org/t/550802/audio-technica-ath-ckm99-review