Nikon will soon release D5300 and D610 DSLRs with minor update in the core specification, the D5300 and D610 DSLRs is rumored to be announced on Q4 of 2013 OR Q1 of 2014, take a look at the early specification,
Nikon D5300 Rumored Specification
24.1MP DX CMOS Sensor, ISO range 100-25600 (Same as D5200)
EXPEED 3 Image Processing Engine , 39 Point AF system (Same as D5200)
Built-in Wi-Fi (New Feature)
Built-in GPS (New Feature)
Nikon D610 Rumored Specification
Minor changes / to fix D600 oil issue
the D600 sensor oil issue that prevented many people from buying it. Stay with us on Facebook we will update you soon as we get any new information.