I didn't even know such a thread existed. I've owned my pair for a month now and it's definitely my favorite. It's hard to be a raving fanboy with them (like I am with the DJ100) but it's only because the cups feel massive on my head and I have to do a mod to get them to be comfortable. The pads go flat on me.
They're the absolute best headphone for gaming to my ears. Sometimes when I just to relax with a game I don't want everything so forward sounding, so i'll switch to my HD-598, which has slightly less forward mids. I'd be curious if any ATH-AD2000 fans also have tried the HD-598? They're very similar in many ways. The ATH-AD2000 definitely is much, much better, but the sound out of the HD-598 is a lot more smooth sounding and less "shouty" with the wrong music. The level of detail is of course far better on the ATH-AD2000, but some small details on the HD-598 seem to have more presence. Despite the smooth signature, I don't find it as laid back as my HD-600 or old HD-555, which is exactly what I wanted.
I'm still tempted to try the W1000 too and it's on my list, but chances are that they're too hard to find or expensive. I've also gotten tired of closed headphones.
To me, the ATH-AD2000 seems to be a headphone that's good for nearly ALL the genres I listen to. That's quite rare. HD-598 is also another.
K702 is good, but I preferred the ATH-AD2000 and sold the K702. Despite what some people say, the ATH-AD2000 felt more detailed, but slightly less clear than the K702.
Is anyone aware of any headphones that sound similar to the ATH-AD2000? It's the sound signature I prefer. I still would like to try out the K501 if I can ever find a pair. It sounds like I may prefer them to the K601.
I do have a Sextett on the way, so maybe that's something else with good mids i'll like.