The Nikon 40mm f/2.8G AF-S DX Micro Nikkor Lens (press release) has been announced today.
I can't say that this lens would have been my top priority if I were Nikon.
More information is available at the I Am Nikon Blog.
Adorama is accepting Nikon 40mm f/2.8G AF-S DX Micro Nikkor Lens preorders.