NOTE: I've used the search function already - which had some results - but I'd still like a more direct comparison of these four. Any advice, comments, and suggestions are greatly appreciated As stated in the title, my target is a cheap (under $20) and portable (any type) set for running...

Hello Head-Fi! I know I'm just another one of those uninformed newbies, but I would really, really appreciate it if I could get some suggestions. Thanks in advance.   As the title says: My budget is around $80 - anything lower is fine. I am looking for Portable Headphones - something...