i haven't tried them, but i'd like to. i plan to if i can before deciding. i think i'll look at koss' porta/sporta-pros too. i wish there were "audiophile," comfortable sport headphones. i have a pair of sennheiser pmx60s that i bought under that impression, but while they have the famous sennheiser mix clarity, they're like listening through tin cans, with sub-96kbps mp3 quality sound. they're the most comfortable sport headphones i've used, though.
it's embarrassing, but i've been using a pair of sony mdr-g72 until they wore out. they aren't comfortable with extended listening, but i could deal with it because they have pretty great bass and overall sound for lowend headphones. some reviewers have claimed otherwise, maybe i don't have the requisite comparison experience. but if there are similarly great lowend headphones that i don't know about, let me know. i want to go highend, but i'd love to have them compact, portable and comfortable.