This is an anonymous rumor I got from Japan – there is no way to verify the credibility of the source, but Nikon has done some limited edition series in the past (non-digital):
Nikon SD:
FF (35mm) digital rangefinder
Sensor/processing out of the D3
Full titanium interior/exterior body
Very compact/light – built for low light/discreet/art work
Retro styling, think SP meets [...]
