need recoomendations for Portable Headphones

[TachyonFresh]

i found out that its not such a good idea to use my audio technica ath-m30's with my portable cd player, so i jsut use it on my computer............but i was wondering if anyone cna recommend an excelleted pair of protable headphones for a low price......has to be closed design and offer clean highs, lows , and especially mids.........thank you

 

[Bosta]

i got some koss headphones from wal mart that cost 20$, they sound pretty good, but they dont last long - i got like 4 pairs of them bias thats messed up - lifetime warranty tho