This information was just released by OLC:
URAYASU, CHIBA - Oriental Land Co., Ltd. announced that two new attractions are scheduled to open in Tokyo Disneyland Park and at Tokyo DisneySea Park. Opening in 2011 inside Cinderella Castle in Fantasyland at Tokyo Disneyland Park will be a new walkthrough type attraction themed to the Disney classic film Cinderella. At Tokyo DisneySea Park, the new attraction Toy Story Mania! will open in 2012 in the themed port of American Waterfront.
JTCEnt.com News Page:
OLC Press Release (PDF FILE):