With all the Z coverage on the Web, here is some additional information on the new Nikon AF-S NIKKOR 500mm f/5.6E PF ED VR lens that was just released (press release and additional pictures available here):
Pre-order links: Adorama | B&H | Amazon | WEX | Park Camera | Jessops
Nikon AF-S 500mm f/5.6E PF ED VR lens design and MTF chart:
Some diagrams showing size comparisons from Nikon Japan:
Nikon AF-S 500mm f/5.6E PF ED VR lens sample photos:
Hands-on with the new 500mm lens at Shutterbug:
