Anyway of getting that lost footage would be cool...absolutely. I doubt it would happen though. It would change the look of the film. The clips that I have seen are rough...and certainly the technology available could clean it up and I think it could be spliced with a new hope but the films now are shot in HD and they may look odd. Especially in 2-3 years when the HD boxset is released, the difference may be more stark with that footage and what is in episode III, no matter how much cleaning you do.

We can hope and maybe the techology will be there.