I would presume some games (and engines) will have an option to enable "real" and/or off-screen shadows/reflections. Other than that it feels like a pure gimmi

I would presume some games (and engines) will have an option to enable "real" and/or off-screen shadows/reflections. Other than that it feels like a pure gimmick. Even in the demo of Lara Croft the fps drop is noticeable during the explosion sequence.