Monroville said:- in regards to the "robot heaven" sequence, maybe we don't need to see it... if you have the dialogue playing while we see Shia's body and his parents/girlfriend mourning over him, it could allude that either he went to robot heaven, all intelligent beings go to the same (or similar) heaven or it's all in his head... as in the matrix is what is speaking to him, and is in essence the "essence" of the Primes' consciousness.. hence why it reforms (nanotech maybe?).
I like the VO idea. Anything is better than its present state. All good ideas really, except maybe the recoloring and adding/changing pieces of the robots, as that would be neat but impossible to do on a moving image.