Good Job OP!
I would like to start off with
Superman Returns: 360 REFUSES TO LOAD IT (due to the fact that the 360 version EXISTS!)
Castlevania- Curse of Darkness: 360 REFUSES TO LOAD IT
Metal Slug: 360 Refuses to load it
Gun Valkyrie: Dashboard tells you that an update is required and after loading that update, it tells you that is not supported by the 360 and will not load the game.
Hulk Ultimate Destruction: Loads and Plays perfectly (no update required)
Burnout 3: Takedown: Loads and Plays pefectly (no update required)
Sudeki: 360 Refuses to load game
R: Racing Evolution: 360 Refuses to load game
Mech Assualt 2: Lone Wolf: Opening company animations extremely slow

Gameplay frame rate normal.
Brute Force: Loads and Plays perfectly
Panzer Dragoon: Orta : Loads and Plays perfectly
Star Wars Clone Wars/Tetris Worlds: 360 Refuses to load game.
Destroy all Humans 2: 360 Refuses to load game.
Star Wars: Jedi Starfighter: Loads and Plays perfectly
Destroy All Humans 1: Loads and Plays pefectly
Hunter the Reckoning: Redeemer: 360 Refuses to load game.
Crimson Skies: Loads and Plays perfectly
Justice League Heroes: Loads and Plays perfectly (minor slow downs here and there)