Has anyone compared a Senn MX560 ($30) to Yuin PK2 ($80)? Any others in this price range that stand out? I only listen through an Ipod Touch, is there a large improvement to be gained paying more for something like a PK1 or ATH-CM7 SV? I already have IEMs, looking for something...

I've read a couple of references to modding the ear pad without specifics. My questions are, what exactly is the mod and how does it affect the sound. (They are probably about as bright as I would want them now.)

I recently purchased a Creative Zen Nomad Xtra 30gig and I use KSC-75 headphones (all new). I noticed static in a couple of songs and suspected either the headphones or the jack, but later realized the static was only in specific songs and necessarily related to high or low frequencies. Is it...

Is the hard drive in the Creative Zen Nomad durable enough to use while jogging? Anyone have problems with this?

My E2Cs showed up, I wasn't aware that Shure doesn't supply/make a tri-flange for them. I'm used to them and think I'd prefer them since that is the type of earplug I use. Is there a tri-flange that works with the E2c? If so, where do I get it?

I've searched the archives, but have a specific question and am looking for a recommendation. The noise isolation is very important for me because these phones will be used with an MP3 mainly on a motorcycle and for listening in loud environments. Etymotic attenuation is well documented but I...

I want to upgrade my headphones (I have an old set of Fostex T20s). I am torn between getting a larger home set and something I can use traveling, but I only want to invest in one set for now. How do the Senn HD580 and Ety ER6 compare sound-wise? I.e. for me, the Ety will be the more flexible...