Hah! There's actually one in a few weeks up in LA. If you're looking to carpool there's always a few people that come up from SD. http://www.head-fi.org/t/714480/official-2014-la-head-fi-meet-august-9-2014-marriott-warner-center
I agree with this, especially as you get into higher end headphones and higher end DACs.I hate to admit it, but I tried to replace my Audio-GD reference 1 with a Schiit Gungnir. With the HE-500 there was such a difference in the microdetailing, I just couldn't bring myself to do it.
I believe this question came up at some point and some formidable person responded. I forget the exact reasoning, but the conclusion was that most ortho drivers are matched using their actual sound performance, not resistance across the driver. Matching ortho drivers by resistance only would result in channel imbalance.