Nicely done! Thanks ClieOS!The subtle differences you described between the Yuin PK1 and CrossRoads HR1 are interesting to note if I ever decide to upgrade to high-end earbuds. Surprised to see that you own the LX90; I almost pulled the trigger once when I saw it for $20, but the design just seems too awkward to be comfortable or to get a good fit.Also, good to see that the SoundMagic PH-10 is a solid earbud for the price. I'd like to see them make a higher end open model, but the market may not be big enough to justify it.Finally, I don't think we'll ever see designs like the Panasonic RP-HV600 again. I should have gotten into this hobby sooner, as many of the Japanese companies had some rather interesting earbuds released throughout the 1990s.FAKE EDIT: Just realized that the HV600 was first released in Japan in 1991 . See boys and girls, if you take care of your stuff, it will last forever, or at least 18 or so years.Like a_tumiwa, I'll be watching this thread closely. Thanks again!