At The main menu you have the following selections.
Picture (the Best in Picture Quality)
Sound (the Best in Sound Quality)
Features (the Best in Feature Quality)
Menus (the Best in Menu Quality)
Coming Attractions
DVD for Beginners
THX
Picture contains clips from: From Hell, The Hustler, Ice Age, M.A.S.H. (Restoration comparison), Moulin Rouge, Planet of the Apes, and The X-Files season 6 (1.33 and 1.78 comparisons)
Audio contains clips from: Behind Enemy Lines, From Hell, Moulin Rouge, and Planet of the Apes.
Features contains clips with pop screens from: Planet of the Apes, Moulin Rouge, Buffy the Vampire Slayer Season 3, The Simpson's Season 2, Ice Age, 24 Season promo
Coming Attractions contains Trailers from: Daredevil, Like Mike, Phone Booth, Solaris (remake), Unfaithful,
DVD for beginners is loaded with useful info and aspect ratio comparisons (through I have only skimmed it)