[cbsphoto]

Conclusion - Pros
-Outstanding low ISO performance in both JPEG and Raw files
-Very good default JPEG settings
-Excellent build quality and very good ergonomics and handling
-Effective auto white balance in a variety of lighting conditions
-Comprehensive camera customization options
-Auto ISO selection can be linked to lens focal length
-Fast, accurate AF system (inherited from Nikon D4)
-Center point autofocus at F8
-1.3x crop mode provides extensive AF array coverage
-6 fps burst rate (7 fps in 1.3x crop mode)
-Weather-sealing comparable to D800
-100% viewfinder coverage
-Dual SD card slots
-Built-in flash can act as Commander for multi-flash setups
-RGBW rear LCD offers improved visibility in bright daylight
-In-camera raw processing
-Ability to output uncompressed HD video to an external recorder
-Manual audio recording levels
-3.5mm Stereo mic and headphone inputs

Conclusion - Cons
- Small image buffer severely limits burst capacity in Raw-enabled modes
- Slow AF in live view and video modes (compared to mirrorless APS-C cameras)
-No real-time aperture adjustment preview in live view
-Noticeably soft video output
- In video mode, the 1.3x crop setting produces upsampled output
-No aperture control in video mode
- When shooting in live view, rear screen is blacked out until data is written to the card
- Maximum magnifications in image playback show pixelated output

It get Dpreview Gold Award,

The score of D7100 is 85%, a fairly high score. The score for Nikon D7000 is 80%, Canon 60D is 79%, Sony SLT-A77 is 81%.

Nikon D7100 review by Dpreview
http://www.dpreview.com/reviews/nikon-d7100