I currently own the Earsonics SM3s, as well as the Sennheiser IE8i. The two are very different and I love having the choice to switch between earbuds depending on what I'm listening to. I have dozens of earphones and headphones hut these 2 IEMs are my most expensive ones. The thing I'm needing...

Looking to upgrade from my Ultrasone 680s.  I love the sound but they aren't really comfortable.  They start to hurt around my ears after listening for an hour.  Need something I can have long listening sessions with.  I would prefer something that has a sound similar to these.  I was wanting to...