Announcement: June 30
Release Date: Sept 30

Also, just for fun:
RX-51 N800 style device no hard keyboard 1/2 internal memory of RX-71, no cellular data, no gps, 2-3 MP camera ~$299

RX-71 N810 style, keyboard, gps, cellular data, 2x internal memory of RX-51, 5-8 MP camera, ~$500