Before today the Nikon 1 J4 slow motion capable camera was only shipping outside the US mainly in Europe. The price has been set at $596.95 and is available at Amazon.com here with free shipping.
The Nikon 1 J4 has the following specs for slow mo:
The Nikon 1 System is becoming more widespread with the arrival of the Nikon 1 J4. Sharing the same 1″ inch sensor size and a variety of Nikon 1 lens choices for the system. The Smaller 1″ sensor has an advantage over m4/3 and APS C in the faster readout rate with less rolling shutter which translates to faster frame rates possible.