Gute Frage! Das halte ich nämlich auch für ein Gerücht 
Zitat aus dem ersten Posting:
"He works for Nikon. During the European Championship in Soccer the next weeks in Austria and Switzerland, the new D400 FX and the D3X will be avaible for the press. D400 [is] 12 mp [similar] to the D3 but at a much nicer price, the D3X has 24.8 mp according to the friend."

Zitat aus dem ersten Posting:
"He works for Nikon. During the European Championship in Soccer the next weeks in Austria and Switzerland, the new D400 FX and the D3X will be avaible for the press. D400 [is] 12 mp [similar] to the D3 but at a much nicer price, the D3X has 24.8 mp according to the friend."