Also das für mich absolut Wichtigste:

Vegetation has also been improved, as the new version of CryEngine 3 can display massive amounts of vegetation to move and simulate based on physical forces within the world. Not only that, but CryEngine 3 can now simulate individual blades of grass interacting with the player, AI, objects and even explosions and wind.
Cloth Physics

Letzteres BITTE, BITTE auch an dynamischen Objekten wie Schiffen und Fahrzeugen!!!