I bought myself a Herman Miller Embody chair yesterday from smartfurniture.com They delivered one they had in stock with the old style fabric and a polished aluminum base, carpet/hard casters and black fabric with white frame and adjustable arms. I paid 1199 for it delivered.
It's a small chair. At first, I didn't think it adjusted much but after playing with it, it has everything. You can adjust seat height and depth. How much it tilts back, the tilt tension, the width and height of the arm tests.
Sitting in it is very comfortable. Its always supporting your back and the arm rests are always close to rest your arms on. The back is flexible so if you twist slightly then it follows you. So far, 24 hours later, I'm happy with it. I'm keeping it in the office as thats where I do most of my sitting.
I'll post more information later as I use it more.