Hi everyone, first time poster, long time lurker here. I'm looking for new earbuds for my iPhone 4 for regular use while walking to work and at work. I'd previously been using the Apple IEM's, which I found quite excellent, but unfortunately I just don't like the obtrusive in ear design. The sound was fantastic in my eyes (or ears), but the microphonics and isolation just weren't for me. So, I then switched to a pair of Sennheiser PX100-II's. Again, excellent sound, and...