I think that Toy Story 3 is Pixar's biggest project ever! Why you ask, because from some information I found out they've got almost all the Pixar movies combined in it. That is because they've got a least one or two actors or actresses from almost all the old Pixar movie to play in Toy Story 3. Example: Guy who played Chuckles the Clown played in The Incredibles as the government guy who erases memories. Guy who played Buttercup played the captain in Wall-e. Girl who played Dolly played A Bugs Life, Monsters Inc and Cars. Guy who played the Book Worm played Molt in A Bugs Life. Guy who played Ken played Chick Hicks in Cars. And many others.