I don't know why you all hate on 5. It had it's moments. I also loved 5 for it's co-op, I hope 6 has some sort of co-op in it too.
But more importantly;
Old school Zombies, Bandersnatch type monsters that regenerate, Ada Wong, Leon, Sherry Birkin, Run and Gun, Wesker Junior. (I always knew Albert was a man whore)
All I have to say about 6 is capcom,