I run 6 miles 3-4 times a week, and just started wearing IEMs with a 3rd generation shuffle. I started on my old Vibe Duos, but they were too bassy and really lacking in the highs, plus I hear a lot of whooshing from the wind blowing over my ears. Just last week I got Klipsch S4is and I love...

I've spent at least eight hours reading up on the E3c's before buying them, and probably another eight since. I got them three days ago and just can't get a good treble response out of them with any of the sleeves. I tried Texipod's (an ipodlounge forum member) home-brewed triple flange, made...