Nikon Europe has responded directly to questions regarding the D7100′s placement in its DSLR lineup.
I can assure you that the D7100 is not positioned to replace the D300s as Nikon’s flagship DX-format camera – such is the information received from Nikon Japan on the matter. -Nikon Europe
As a result, a Nikon D400 seems likely be in the works after all. The D300s will see its fourth birthday this July. That’s a long time for a DX-format camera’s life span – unless, of course, the D400 hits before then…
[via Nikon Rumors]