Final Fantasy XV Kingdom Hearts 3 Gravity Rush 2 Persona 5 Project Morpheus Mirrors Edge 2 (with Rift/Morpheus support) Ratchet and Clank PS4 Final Fantasy Type-0 Vita/3DS The Last Guardian Beyond Good and Evil 2 PS4 support for PS2/PS1 in native HD (rumored) Some of that is more just wishful thinking though.
Some Sony rumours that might interest you folks: Linky Otherwise for me, gotta be Project Beast which I am 90% certain is Demon's Souls 2. It'd make me get a PS4 :D
It would be interesting to see Nintendo partner up with a 3rd party dev to help create a new Nintendo-only new franchise...can't see it happening though. Persona 5 gameplay would be awesome, as would Project Beast (if that is a PS4 exclusive game as the rumours seem to be pointing out then that would seal the deal on me…