Xbox Live Marketplace - Guardian Heroes, Real Steel, Forza 4 Season Pass, Kinectimals with bears and Cursed Crusade demo

If you can't wait to see the next Xbox 360 dashboard update, you can sign up for the preview program (if it's not already full). While you wait to see whether you get in, you can check out what's new this week at Xbox Live Marketplace:

• Arcade: Guardian Heroes ($10) and Real Steel ($10) plus The Baconing Roesha character ($2), Crimson Alliance Vengeance Map Pack ($3), Insanely Twisted Shadow Planet Shadow Hunters ($5), Pinball FX2 Sorcerer's Lair ($3) and Street Fighter III: Third Strike Online Edition Character Color Pack 2 ($3)
• Ace Combat: Assault Horizon F-15C and Compatibility Pack 1 (both free)
• Dragon Age 2 Mark of The Assassin ($10)
• Duke Nukem Forever Hail To The Icons Parody Pack ($10)
• Dynasty Warriors 7 Costume Pack 4 ($1), Stage And BGM Pack 3 ($3) and Stage Pack 4 ($4)
• Forza Motorsport 4 Season Pass ($30 for 7 car packs over 7 months) or get the American Muscle Car Pack ($7 for 10 cars or $2 each)
• Just Dance 3 tracks ($3 each; demos available) "Fame," "Heart of Glass" and "U Can't Touch This"
• Kinectimals Now With Bears! expansion ($15, included in new retail edition)
• Pro Evolution Soccer 2012 October 2011 Data Pack (free)
• Transformers: War for Cybertron Map and Character Packs ($5 each)
• Rock Band 3 Blink-182 Pack 03 ($5.50 or $2-3 each) with "Stay Together for the Kids," "The Party Song" and "Up All Night" and track ($2-3) "Rock the Casbah" by The Clash plus Rock Band Network tracks ($1-3 each): "Say" by The Asbestos, "Internal Cannon" by August Burns Red, "All Signs Point to Lauderdale" by A Day to Remember, "Dark Escape" by Shylo Elliott, "Category II: Discovering the Absolute" by Ethereal Collapse, "Cry of an Eagle" by Free Spirit, "Reaping Tide" by Mile Marker Zero, "The Carrion Call" by Misery Index and "Indulgence" by Tokyo Raid
• Games on Demand: Quantum of Solace ($30), Test Drive Unlimited 2 ($20) and WWE All-Stars ($50)
• Demos: The Cursed Crusade plus all Xbox Live Arcade, Game Room, Indie games and Rock Band Network tracks
• Indie Games (usually $1-10 each): Blocky, Escape the Car, Flight Adventure 2, Glow Arcade Racer, Merball Tournament, Ninja War: Stolen Scrolls, Pixel Animator 3D, Railway Stations of Wirral/Garden Plants in Britain and Shock and Awe
• Game Videos: Ace Combat: Assault Horizon, Aliens: Colonial Marines, Burnout Crash!, Call of Duty: Modern Warfare 3, Crysis, Dragon Age II Mark of the Assassin, F1 2011, Forza Motorsport 4, Hulk Hogan's Main Event, Insanely Twisted Shadow Planet Shadow Hunters, Mass Effect 3, Michael Phelps: Push the Limit, Orcs Must Die!, Need for Speed: The Run, NBA 2K12, NBA Jam: On Fire Edition, Real Steel, Rise of Nightmares, Risen 2: Dark Waters, Sesame Street: Once Upon a Monster and UFC Undisputed 3 plus Rage video guides ($1 each)
• Themes (free to $3 each): Axe and In Time
• Pictures (free to $2 each; some may enter you in sweepstakes): Axe, Chevrolet Volt, In Search Of, In Time
• Avatar Items (usually priced $1-5 each): Battlefield 3, The Elder Scrolls V: Skyrim, Halo Universe, Kinectimals, Saints Row: The Third and Zombie Apocalypse: Never Die Alone