Major Nelson released the info on the latest items to reach Xbox Live Marketplace. Not a large list, but some more
Soltrio Solitaire in-game content and
Street Trace: NYC goodies to adorn your Xbox 360.
Theme
Street Trace: NYC - Theme 2 - Comic Characters (150 Microsoft Points)
Trailer/Videos
Street Trace: NYC - Game Video (Free)
Sensible World of Soccer Trailer (HD) (Price: Free)
In Game Content
Soltrio Solitaire - Game Pack 6 (Price: 150 Microsoft Points)
Gamer Picture
Street Trace: NYC - Gamer Picture Pack 1 - Game Characters (100 Microsoft Points)