The creativemayhem.com.au website has information on a patent for a new lens from Nikon. The information on the patent has the lens as an 85mm DX lens. The aperture is not exactly apparent from the patent, but with what information can be gathered, it could be an f3.5 lens.
Why f3.5 you ask? Well, it could actually be a macro lens. This would be seriously interesting since a macro lens doesn't strictly need super duper fast apertures.
Here's the link.
( or copy and paste: http://www.creativemayhem.com.au/?p=644 )