The HP Pre 3 did see changes since both the Palm Pre and Palm Pre 2.  The upgrades include a 3.58" WVGA display, 5MP camera, and 1.4 GHz Qualcomm processor compared to the Palm Pre which offered a 3.1" display, 3.2MP camera, and TI OMAP 3430 processor.  We will continue to update specs, images, release dates, and announced carriers when the information becomes available.   

Technology: GSM and CDMA
Announced Release Date: "Planned availability this Summer" 
Announced U.S. Carrier(s): None at this time