A new rumor started that D5000 should be updated any time now(Nikon D5000 is already discontinued),
D5500 basic specs:
- Same metering and AF modules as the D3100
- No AF motor.
- 1080 HD video with manual controls
- 16MP sensor
- Large detachable screen, that can be kept attached like a fixed screen or detached and connected to the camera via a cable, or mounted on the hot shoe.
Source [NR]
