I PM'ed jpnumbers last night because I recall he was using his K340 off his speaker binding posts (RWA Sig 30), and he said it's doable with the K1000's speaker extension. He also said it sounded excellent, so I will probably end up recabling my K340 to a 4 pin XLR then use my Kimber Kable extension to the Pass Labs Aleph 30.
Hmm....wonder if it will be powerful enough
I think my K81DJ are going to be hitting the FS forum or ebay soon
It's not that they sound bad, it's just that I have no use for a portable closed headphone (and the KSC75 are more comfortable for movie watching). But if I end up liking the K340 I will be getting the velor pads and K501 band.