I bike 2- hours daily. I'm also irresponsible and wear earphones while doing so, reducing my awareness of traffic. I usually listen to music or podcasts/audiobooks so I don't drive myself crazy with my own thoughts. I'm looking for something noise isolating with an inline mic for my iphone. I...

I have a pair of HD595's arriving today to replace my HD280's. If I don't burn them in and just use them normally from the get go, will I just have to wait longer for them to reach their optimal sound, or will I be missing a level of sound quality altogether that I would have achieved only with...