This version has been available on the Nikon site for about 3 weeks. I know because I delayed purchasing my D3 until Nikon came up with a version of CCP2 that worked under Leopard, and I've had the camera for about 3 weeks. Both the program and the camera work fine for me.

Had a discussion in January with a Nikon tech rep who told me that Nikon takes so long to respond to new OSes because "their team goes out and buys a new OS the day the Apple releases it". I suggested that they should participate in Apple's developer program so they would get pre-release copies and could start earlier. He assured me that there was no such program...