A taste of the shows that will be offered:
* "Robot Chicken and Aqua Teen Hunger Force from Adult Swim
* "CSI, Survivor and Star Trek from CBS
* Emmy and Peabody Award-Winning South Park and Chappelles Show from COMEDY CENTRAL
* "The Real World and Pimp My Ride from MTV
* "Avatar: The Last Airbender and SpongeBob SquarePants from Nickelodeon
* "Skyland and The Nicktoons Network Animation Festival from Nicktoons Network
* "Nacho Libre and Jackass: The Movie from Paramount Pictures
* "Carpocalypse and Raising the Roofs from Spike TV
* "Race Rewind provided by NASCAR.COM
* Select episodes of the original season of The Ultimate Fighter reality series and the "UFC: All Access shows from the UFC
* "Breaking Bonaduce and Hogan Knows Best from VH1
* "The Matrix, Superman Returns and Batman Forever from Warner Bros. Home Entertainment
Prices have not been released yet, but if I had to guess they would be in the ball park range of what iTunes charges. According to MS, 1,000 hours of hit television shows and movies will be available on your 360 by the end of the year.
The press release is here
and images can be looked at here