Some details from previews, psblogcast and tweets
-The game is GOW1 length
-Revamped combat and weapon system
-The new composer is Tyler Bates
-New gameplay feature or features
-The game will be more like GOW1 and GOW2
-It will have more color than GOW3.
-Bigger creatures than Polyphemus in SP.
-Variable framerate like past GOW titles
-Kratos model and clothes will be redone to reflect a younger version.
-You no longer struggle to open a chest, you just smash it now
-No story mode co-op
-More destruction than GOW3
-They are working on making all the features of the characters better than GOW3
-The game will have a variety of locations like past GOW games
-No big open environments
-Improved animation and a new collision system
-New cloth tech, new hair and skin shaders and revamped lighting
-New climbing system for point-to-point movement
-No Move or SIXAXIS controls
-Nudge ability added to the camera. It isn't complete control but allows you to see more of the environment.
Thats all we got so far.
PS blog livestream playback
This is a Nirolak approved topic :P