Easter egg: On the special stuff menu, highlight play all and press up. You will then see visual development for Russ Cargill.
Easter egg: On the language menu highlight English 5.1 Dolby digital and press left, you will then see a humorous parody of the THX logo.
Easter egg: Go to the trailers menu. Highlight play all and press up. You will then see visual development for the multi-eyed creature.