Yes- I was interested in doing the theatrical Ep. I in highest quality sometime, and someone posted a linlk to the establishing Coruscant shot not included in the DVD. Splice this into the DVD transfer, remove the extra podracing shots, and add the shot of Watto cheering from Disc 2 of the DVD set, and you're golden. You would probably included the 5.1 from the LD, though- which I don't have.

Ep. II would be more difficult, especially with no home video release of the original.

And Ep. III would be really, really easy considering the quality of the bootlegs.