A new video was posted, thanks to Playstation museum.
http://www.destructoid.com/a-look-back- ... 0914.phtml
Although, in this article he proclaims that the surroundings looked more polish, hopefully he meant it by cleaner and not looking better as they look sucky and out of place in the grim ruined city we encountered in RE 2 and 3's timeline. HOWEVER, the AI is very interesting, although buggy (zombies disappearing when moving off camera, and some animations missing so they just disappear).