Here's what we know so far:

HXR-NX200: Basically a PXW-Z150, except with NXCAM features like AVCHD and DV. 8bit 4:2:0 4K 25p/30p

https://pro.sony/en_GB/products/handheld-camcorders/hxr-nx200

HDC-3500, HDC-3170, and HDC-3100: GLOBAL SHUTTER 2/3'' 3CMOS and 4K HDR. This is huge. Finally the days of rolling shutter artifacts are numbered.

https://pro.sony/en_GB/products/4k-and-hd-camera-systems/hdc-3500

https://pro.sony/en_GB/products/4k-and-hd-camera-systems/hdc-3170

https://pro.sony/en_GB/products/4k-and-hd-camera-systems/hdc-3100