So I’ve found several different sources which pretty much confirm the same specifications for the Nikon D400.  Its possible that this adds credibility to the rumors, but I think its more likely that it is one rumor which has gone viral.  Still, heres a list of rumored specs for the Nikon D400.

 - New 14.8 megapixel DX format CMOS sensor effective 14.3 megapixel
- Self-cleaning sensor unit (low-pass filter vibration)
- ISO 100 – 6400 (with boost up to ISO 25600 and down to ISO 50)
- 14-bit A/D conversion
- Movie capture at up to 1080p 24 fps with stereo sound
- Nikon EXPEED Plus image processor 30% faster than previous EXPEED image processor
- Super fast operation (power-up 13 ms, shutter lag 40 ms, black-out 90 ms)
- Kevlar / carbon fibre composite shutter with 200,000 exposure durability
- Multi-CAM3500DX Auto Focus sensor (51-point, 15 cross-type, more vertical coverage)
- Auto-focus tracking by color (using information from 1005-pixel AE sensor)
- Auto-focus calibration (fine-tuning) now available (fixed body or up to 20 separate lens settings)
- Vignetting control in-camera
- Automatic chromatic aberration correction
- Custom image parameters now support brightness as well as contrast
- Seven frames per second continuous shooting (nine frames per second with battery pack)
- 3.0″ 922,000 pixel LCD monitor
- Live View with either phase detect (mirror up/down) or contrast-detect AF, face detection
- ‘Active D-Lighting’ (adjusts metering as well as applying D-Lighting curve)
- Detailed ‘Control Panel’ type display on LCD monitor, changes color in darkness
- Buttons sealed against moisture
- Same ultra-fast startup and shutter lag as D700
- Scene Recognition System (uses AE sensor, AF sensor)
- Picture Control image parameter presets
- UDMA compatible single CF card slot
- Virtual horizon indicates if camera is level (like an aircraft cockpit display)
- Extensive in-camera retouching
- HDMI HD video output
- Magnesium alloy body with connections and buttons sealed against moisture
 

I think these are pretty darn impressive.  What are your thoughts?  Anything you wish was here that isn’t?  Anything that surprises you?