Thanks PurpleAngel.   I was leaning heavily towards a Fiio E10k until I saw the Hifimediy product line....   Decisions, decisions.....!!! 

Hi all, 1st-time poster here. I hope you knowledgeable people can help me   Some background info: I connect my Sennheiser hd25-i headphones through the front panel jack of my PC. I have on-board sound (Conexant HD Audio). Electromagnetic interference is a known problem when using the front...