Hi y'all.  I am a newbie to the head-fi forum, but not a new to audio equipment.  I was given a demo pair of M3's to review.  My review is posted on mp3nation: http://www.mp4nation.net/forum/viewtopic.php?f=60&t=20433       Since the review is posted on mp4nation, I did spend a substantial amount of time comparing the m3's to the m2's--since most people reading reviews on mp4nation are interested in whether the m3's are worth the extra $20 over the m3's.  The answer...