And all too often a long-awaited lens will finally show up in the shops but be in such short supply that you can't buy one for months. The N70 should be planned for big production numbers, but "spring" typically means "June" based on previous Nikon product releases.
This announcement is basically targeted at Nikon owners and would-be buyers saying, "Don't buy a Canon for Christmas". Such a PR move can backfire by underlining the fact that Nikon has nothing to offer for months. There isn't even a hint of a superior spec or feature to give buyers an extra incentive to wait. I've long wondered where Nikon would be if it was any good at marketing.