Wow, after looking at it even closer both of these seems to be amazing equipments! Bravo to Nikon to continuing to step it up.
Let's hope these technology will make it down to D90s/D60s of the future.
A few more links:
http://www.dpreview.com/news/0708/07082312nikond3.asp
http://www.dpreview.com/news/0708/07082313nikond300.asp
I am such a fanboy.
ops:
Even the new Trademark Red grip looks cooler.