If we're talking when I was just a lurker, that would be the Audio-Technica ATH-AD700. I wanted a good, comfortable headphone for gaming that synergized with CMSS-3D Headphone, and those delivered.
If it's only after I formally joined and started posted, then it's unquestionably my current Stax Lambda system. In fact, I bought it on the B/S/T section here, and even though it cost me $250 (which is actually affordable by Stax standards, and I had an old receiver lying around to drive the included transformer box), my ears don't regret it one bit, even if my bank account does. In fact, ever since I got them, I really started to want to listen to music, moreso than the AD700s ever did.
Then I had to investigate that Panasonic RP-HTF600 hype for myself. Hey, it was only $30-35, so why not?
I think I'll be fine for now regarding headphones, but if the Lambda fails, then my wallet is going to really hurt...I have to have that atmospheric delivery that only Stax has delivered so far! (Maybe the Koss ESP/950 and Sennheiser Orpheus can deliver too, but when it comes to electrostatics, there aren't too many options beyond Stax.)
