hopefully i will form an impression of these babies soon, also got a westone 4(not pictured) First update ATH w3000ANV These are the newly released limited edition Audiotechnica woodies, only 2000 are made, mine is serial number 0381 Coming from a sennheiser hd 650, which i recently sold to cool barn, these are extremely bright in comparison. however after around 5 hours of wearing them it didn't seem as bright as went i first tried it. this is probably because i'm just very used to the senn's laidback and mellow treble. The details on these things are insane, every nuance comes through, the way the guitarist slides his finger through the chord is captured in a very thorough way. Hifiman HE 500 The biggest bang for buck in hi-fi headphones IMO, these slam hard, even harder than the hd 650 i used to had. it isn't as laid back, mids are beautiful, treble is much much improved compared to the senn's. in fact i can say without a doubt that these destroy the senn's in every way. not dissing the senn's, they are without a doubt one of the finest cans on the market, in this case however they are just outclassed. it is also a detail monster, but gets edged out by the w3000anvs ever so slightly. however these are much more accurate compared to the ATs, the AT is highly coloured compared to the much more balanced representation of the hifimans. Impressions are done using Asus Essence One with foobar bitperfect notes on build quality Hifiman's are built like a tank, very rigid, a lot of metal, only complaint is the cables connecting to the headphones are very small and looks flimsy, compared to the monster strain relief they put on the other end. also lots of microphonics but since these aren't really portable it's not that important Audiotechnica's build quality is just exquisite, they really ooze quality, from the beautifully made wooden cups, to the plugs. no real complaints here, but the hifiman does feel much more rugged and tank like.