Good evening. I think to make myself a little present and upgrade my portable pair Sansa Clip Zip + Aurvana 2. Merry christmas by they way! So i limited by 350-400$ budget and thinking about change source first. After some looking on our market i find such choices HiSound RoCoo P or HiSound RoCoo BA Rio Karma Cowon X5 Colorful Colorfly C3 Hifiman 601 I listen all genres, mostly i care about vocal, clean and extended scene. Dont really care about interface and such things.