First, let me start by saying I am a total noob. These were my first and still are my only pair of real headphones. Now that I look back, I probably should have bought the ATH-M50S considering what people have said about it. These cost somewhere around $120 when I bought them. I have had them for a few months and just got an amp (Pyle PHA-40) today (great amp, by the way). An amp is HIGHLY recommended. It got rid of any harsh, screechy highs typical of my computer's headphone jack. The bass also sounded pretty undefined and in general, missing. The...