Here is a list from Major Nelson of everything that hit Xbox Live Marketplace in the last few days. Quite a few in-game DLC items, although I question all the Geon: Emotions content when the game wasjust released this morning:


Theme
Devil May Cry 4 Character Theme (150 points)
Village Idiot Theme (150 points)
Family Guy Season 5 Theme (150 points)
Emotions Dark Thoughts Theme (150 points)
Emotions Pure Feeling Theme (150 points)


Gamerpic
Devil May Cry 4 Character Picture Pack (100 points)
Stewie Griffin Picture Pack (80 points)
Quahogians Picture Pack (80 points)
Meg Griffin Picture Pack (80 points)
FatalFurySpecial Pack2 GamerPic (60 points)


Video/Trailer
Devil May Cry 4 Summer 2007 Trailer (Free)


In-Game Content
Eternal Sonata - Piano Music Key (80 Points)
2K Reelmaker for NHL 2K8 (400 Points)
Soltrio Solitaire - Game Pack 8 (150 points)
Geon: Emotions Iconic Emotions (120 points)
Geon: Emotions Emotive Expressions (120 points)
Geon: Emotions Sublime Creations (120 points)
Geon: Emotions Abstract Intentions (120 points)