I'll be watching this thread to see what advice you get, just letting you know I posted a fairly similar question and I may get answers helpful to you: http://www.head-fi.org/t/689359/iem-sub-30-question-dunu-trident-vs-brainwavz-delta-vs-cw31-vs-m9-sl

I've found all of these within the $15-25 range, and really can't figure out what to do. While I'm not really a bass head, I'm worried that since I've only ever had standard headphones I've grown accustomed to overdone lows. My current earbuds are CX200s which have survived longer than any other...