I suspect not much can be done with the AA. That is inherent to the DVD, and probably no amount of work can circumvent it.
The transfer to the LaserDisc is where almost all the problems lie. Many of them could have been addressed when the transfer to DVD was made.
This will be by far, the best the GOUT will ever look. Only so much you can do with this material. The results are quite amazing, I am stunned this much detail is actually there.