haha. you said it yourself, "some of them." ATH's high end stuff is notorious for not becoming cheaper, but rather more expensive as time goes on (especially discontinued stuff). there was a time when m50s could be had for under 100, now they're all pushing over that.
and if anyone needed reaffirmation about CK10s and trance/DnB/techno/whatever, i wish you can hear what i'm hearing now..
That simply isn't true. Maybe you have to become more effective in hunting deals. The M50s have fluctuated a great deal in the past couple of years from being over and under $100 (depends on demand). Most of the AT high-end earphones have seen some significant price cuts since the new IEMs were listed. Again, it's a matter of effective shopping to catch these deals. As soon as there is surge of buyers the price may be raised again, but in the last two weeks I've seen major price cuts on AT major earphones (the older models that is).