Going with the AVForums long ass thread, where they've reviewed thousanRAB of films and made of a list of the best to wosrt Picture Quality, this list below have the extreme best picture quality, so pick one of these:
bb nf Avatar Video: AVC | Audio: DTS-HD MA | AR: 1.78:1 | Fox
bb nf Kung Fu Panda Video: AVC | Audio: TrueHD | AR: 2.35:1 | DreamWorks
bb nf A Bug's Life Video: AVC | Audio: DTS-HD MA | AR: 2.35:1 | Disney
bb nf Astro Boy Video: AVC | Audio: DTS-HD MA | AR: 2.39:1 | Summit Entertainment
bb nf Up Video: AVC | Audio: DTS-HD MA | AR: 1.78:1 | Disney
bb nf Ratatouille Video: AVC | Audio: PCM | AR: 2.40:1 | Disney
bb nf Toy Story 2 Video: AVC | Audio: DTS-HD MA | AR: 1.78:1 | Disney
bb nf Coraline Video: VC-1 | Audio: DTS-HD MA | AR: 1.85:1 | Universal
bb nf Cars Video: AVC | Audio: PCM | AR: 2.40:1 | Disney
bb nf Monsters, Inc. Video: AVC | Audio: DTS-HD MA | AR: 1.85:1 | Disney
bb nf Monsters Vs. Aliens Video: AVC | Audio: TrueHD | AR: 2.39:1 | DreamWorks
bb nf Meet the Robinsons Video: AVC | Audio: PCM | AR: 1.78:1 | Disney
bb nf I, Robot Video: AVC | Audio: DTS-HD MA | AR: 2.35:1 | Fox
bb nf Pirates of the Caribbean: Dead Man's Chest Video: AVC | Audio: PCM | AR: 2.35:1 | Buena Vista
bb nf Pirates of the Caribbean: At World's End Video: AVC | Audio: PCM | AR: 2.40:1 | Buena Vista
bb nf Chicken Little Video: AVC | Audio: PCM | AR: 1.78:1 | Buena Vista
bb nf Fantastic Mr. Fox Video: AVC | Audio: DTS-HD MA | AR: 1.85:1 | Fox
bb nf Open Season Video: AVC | Audio: PCM | AR: 1.85:1 | Sony
bb nf The Wild Video: AVC | Audio: PCM | AR: 1.85:1 | Buena Vista
bb nf Man on Fire Video: AVC | Audio: DTS-HD MA | AR: 2.40:1 | Fox
bb nf Bee Movie Video: AVC | Audio: TrueHD | AR: 1.85:1 | Dreamworks
bb nf Planet 51 Video: AVC | Audio: DTS-HD MA | AR: 2.35:1 | Sony
bb nf Tinker Bell Video: AVC | Audio: PCM | AR: 1.78:1 | Disney
bb nf Mary And Max Video: AVC | Audio: DTS-HD MA | AR: 1.85:1 | MPI Media
bb nf Tinker Bell And The Lost Treasure Video: AVC | Audio: DTS-HD MA | AR: 1.78 | Disney
bb nf Red Cliff: The Special Edition (UK Import) Video: AVC | Audio: DTS-HD MA | AR: 2.35:1 | Entertainment In Video
bb nf The Host Video: VC-1 | Audio: PCM | AR: 1.85:1 | Magnolia
bb nf Live Free or Die Hard Video: AVC | Audio: DTS-HD MA | AR: 2.35:1 | Fox
bb nf Domino Video: VC-1 | Audio: TrueHD | AR: 2.40:1 | Warner
bb nf Tell No One Video: VC-1 | Audio: PCM 2.0 | AR: 2.35:1 | MPI Media
bb nf Sin City Video: AVC | Audio: DTS-HD MA | AR: 1.85:1 | Disney
bb nf Toy Story Video: AVC | Audio: DTS-HD MA | AR: 1.78:1 | Disney
bb nf Baraka Video: VC-1 | Audio: DTS-HD MA | AR: 2.20:1 | MPI Media
bb nf Youth Without Youth Video: AVC | Audio: TrueHD | AR: 2.35:1 | Sony
bb nf Tale of Despereaux, The Video: VC-1 | Audio: DTS-HD MA | AR: 2.35:1 | Universal
bb nf TMNT Video: VC-1 | Audio: TrueHD | AR: 2.40:1 | Warner
bb nf Becoming Jane Video: VC-1 | Audio: PCM | AR: 2.35:1 | Disney
bb nf Pirates of the Caribbean: Curse of the Black Pearl Video: AVC | Audio: PCM | AR: 2.40:1 | Buena Vista
bb nf Tokyo Motor Show Video: MPEG-2 | Audio: DD 2.0 | AR: 1.78:1 | Topics Entertainment
bb nf Dragon Hunters Video: AVC | Audio: DTS-HD MA | AR: 1.78:1 | Phase 4 Films
bb nf Watchmen: Director's Cut (UK Import) Video: AVC | Audio: TrueHD | AR: 2.40:1 | Paramount
bb nf Transporter 2 (Japan Import) Video: AVC | Audio: TrueHD | AR: 2.35:1 | Sony
bb nf Corpse Bride Video: VC-1 | Audio: DD | AR: 1.85:1 | Warner
bb nf International, The Video: AVC | Audio: TrueHD | AR: 2.40:1 | Sony
bb nf Wall-E Video: AVC | Audio: DTS-HD MA | AR: 2.40:1 | Disney
bb nf 9 Video: VC-1 | Audio: DTS-HD MA | AR: 1.85:1 | Universal
bb nf Bolt Video: AVC | Audio: DTS-HD MA | AR: 1.78:1 | Disney
bb nf Chronicles of Narnia: Prince Caspian Video: AVC | Audio: DTS-HD MA | AR: 2.35:1 | Disney
bb nf Alvin And The Chipmunks: The Squeakquel Video: AVC | Audio: DTS-HD MA | AR: 1.85:1 | Fox
bb nf Cloudy With A Chance Of Meatballs Video: AVC | Audio: DTS-HD MA | AR: 2.35:1 | Sony
bb nf Grand Canyon Adventure: River At Risk (IMAX) Video: VC-1 | Audio: DTS-HD MA | AR: 1.78:1 | Image
bb nf Transformers: Revenge Of The Fallen (IMAX) Video: AVC | Audio: DTS-HD MA | AR: mixed | Paramount
bb nf Sleeping Beauty Video: AVC | Audio: DTS-HD MA | AR: 2.55:1 | Disney
bb nf Transporter 3 Video: AVC | Audio: DTS-HD MA | AR: 2.35:1 | Lionsgate
bb nf Gladiator (Remastered) Proposed Move Video: AVC | Audio: | AR: | Paramount
bb nf Happy Feet Video: VC-1 | Audio: DD EX | AR: 2.40:1 | Warner
bb nf Lonely Hearts (Japan Import) Video: AVC | Audio: TrueHD | AR: 2.35:1 | Sony
bb nf Hot Fuzz Video: VC-1 | Audio: DTS-HD MA | AR: 2.35:1 | Universal
bb nf Serious Man, A Video: AVC | Audio: DTS-HD MA | AR: 1.85:1 | Universal
bb nf Wallace & Gromit: A Matter of Loaf and Death (UK Import) Video: AVC | Audio: TrueHD | AR: 1.78:1 | 2 Entertain | 1080i / 50Hz
bb nf Horton Hears A Who! Video: AVC | Audio: DTS-HD MA | AR: 1.85:1 | Fox
bb nf Gamer Video: AVC | Audio: DTS-HD MA 7.1 | AR: 1.85:1 | Lionsgate
bb nf Crank 2: High Voltage Video: AVC | Audio: DTS-HD MA (7.1) | AR: 1.85:1 | Lionsgate
bb nf Sex Drive Video: AVC | Audio: DD 5.1 | AR: 1.78:1 | Summit Entertainment
bb nf Fighting Video: VC-1 | Audio: DTS-HD MA | AR: 1.85:1 | Universal
bb nf Watchmen: Theatrical Version (UK Import) Video: AVC | Audio: TrueHD | AR: 2.39:1 | Paramount