The First HD Episode of South Park is up on live.
http://www.xbox.com/en-US/community/...outhparkhd.htm
Also Teenage Mutant Ninja Turtles is coming tp Xbox Live Arcade.
http://uk.xbox360.ign.com/articles/770/770555p1.html
I spent alot of time with TMNT at my local pizza shop so it's great to hear it's coming to Live.