My last minute predictions:
1st Party
-First AAA titles to PS+
-PS1 physical retro-compatibility
-Horizon trailer
-Uncharted 4 DLC, Q2 2017
-GT Port trailer and release date, Q2 2017
-Crash Remaster first footage, Summer 2017
-Dreams trailer, Beta in Q1 2017 and release date, Summer 2017
-Detroit footage, 2017
-Days Gone footage, 2017 (will get delayed to 2018)
-Gio Corsi's Crazy List Time (Yakuza 6 and other games)
-PaRappa the Rapper VR announced, 2017
-New PSVR IPs announced
-New Sucker Punch IP
-New Wild Arms announced
-Knack 2: ReKnacked
3rd party
-Ace Combat 7 footage, VR support, 2017
-RE7 trailer
-Street Fighter V Season 2
-MvC4 reveal, 2017
-Persona 5 trailer
-Ni no Kuni 2 trailer, 2017
-Nioh trailer
-NieR Automata trailer, WW release in Feb 2017
-FFVIIR/DQXI trailer
-Damian Wayne's Batman, 2017
-New Assassin's Creed/Splinter Cell announced
-Shenmue 3 footage
-Shenmue HD Collection announced, 2017
Crazy Hopes:
-TLOU2 announced
-Mediaevil reboot announced
-RDR2 trailer