Another idea of distributed processing is for the hardcore pit builders. Something like:
Computer 1 renders the front view,
computer 2 renders the left view,
computer 3 renders the right, and so on.
Of course this is only interesting for those of us how are willing to spent a lot of money for a few big tv monitors or projectors.
But with this feature you could build something like this:
http://http://www.youtube.com/watch?v=Vem9L0PbA8c