Latest: K701
Next: Maybe I'll try out a Stax system no earlier than summer of 07; I am done with dynamic headphones until AKG (or some other company) comes out with something similar to, but better than (specifically: more coherent and less in-the-head soundstage with some imaging, no treble harshness/spike, and less muddying-up of the sound by the bass, along with better bass timbre and texture and more extension) the K701, and is priced around $300. Hopefully though, there will be no next purchase for me, Stax or otherwise. The K701, while having some obvious flaws, is good enough.