From the Blender Institute: Those of us who've seen Elephant's Dream might also find this interesting:

Check out the Peach Open Movie - titled "Big Buck Bunny": Peach

Recently completed and available on DVD, the downloads should be available in the near future.

There is even a trailer page with HD content: Peach Trailer

About page: Peach About

There is also the Apricot Open Game project under development: Apricot