Here is a list from Major Nelson of items that his Xbox Live Marketplace over the last few days.

Theme
Army of Two Logo Theme (150 Points)
skate Theme (150 Points)
Marathon: Durandal - Theme (150 Points)
Boom Boom Rocket Firework Theme (150 Points)
Maddenites Unite Theme (150 Points)
Nissan Versa Theme (Free, Canada Only)
ESPN - NASCAR 08 Theme (150 Points)
Bobby Labonte - NASCAR 08 (150 Points)
Casey Mears - NASCAR 08 (150 Points)

Picture Pack
Marathon: Durandal - Heroes of Tau Ceti Gamer Picture Pack (100 Points)
Eets: Chowdown - Picture Pack 1 (100 Points)
Marathon: Durandal - Rampancy Gamer Picture Pack (100 Points)
Marathon: Durandal - Pfhor High Command Gamer Picture Pack (100 Points)
Nissan Versa Gamer Picture Pack (Free, Canada Only)
Eternal Sonata - Polka Picture Pack (80 Points)

Trailer/Video
Skate Progression Trailer
Skate TV Spot: Hype
Skate Community Day at EA Vancouver Video (HD)
All-Pro Football 2K8 Episode 2: "Give Me Real Football" Trailer
Guitar Hero II - My Chemical Romance Pack Trailer (HD)