Thom Hogan’s comments in the DPReview forums regarding the Nikon D3 (found via this blog):

Expect a late June announcement with ship in August/September instead and you might be less disappointed ;~).

Additional rumors, purportedly originating in France suggest 18.7MP and the highly-speculated 1.1x crop factor sensor. As stated in the DPReview.com forums (including spelling/grammatical errors):

In France the magazine “Reponses Photo” declares in the new june issue of their popular magazine th New D3…

They inform us that it will be a 18,7 Mpix with a 1.1 frame ( near full frame) and it allows to maintain the Nikon F mount. As the D2X this DSRL has 8 im/sec with a DX frame and 5 im/sec with the 1.1 frame.

DX lenses won’t suit the 1.1 frame and will be maintaint for the actual DSRL’s and the future amateur Nikon DSRL’s.

The 18,7 Mpix chip will come from Sony and will be exclusif for Nikon dor the 12 months after the launching of the camera (as it was always done in the past …)

Nikon director and spokesman in France Benoit de Dieuleveult declares that he can’t give any comments on this proposals, but he states : ” Nikon don’t want to reduce their Pro Market. On the contrary, our intention is to increase our parts in this market. We have developed very nice new pro products that will make us take back the lost parts and increase our position in the Pro market. Actuelly i can’t say more but you want be disappointed …”