W5000? :3 they go for ~$700 atm on amizon. if you're willing to pay $20 more, you can get an AD2000x
ma900's build isn't spectacular, but it's an MDR-F1 improved by a lot. F1's been said to be the baby K1000, except it doesn't need a powerful amp. The spatial/sound stage abilities are improved on from the f1 from what Muppet has said.
Planars. Hah. I'm a dynamic/stat man.
I checked your profile, what do you own? You seem to be into some fairly high end stuff. :)