According to Amazon US, a new batch of long awaited Nikon AF-S NIKKOR 500mm f/5.6E PF ED VR lenses now coming to US stores. Amazon US now has this lens shipping within 4-6 weeks (Was out of stock for weeks before).
AF-S NIKKOR 500mm f/5.6E PF ED VR Lens Pre-order links at Amazon (4-6 Weeks), B&H Photo Video (Coming Soon), Adorama, Focus Camera, CRUTCHFIELD, BuyDig.