All 300 GBs?
"Then, you'd want to be able to transfer the LD's audio digitally at 448kbps for the 5.1 ac3 soundtrack."
Done that already.

"To do this, you'd need state-of-the-art post production facilities, of course... and people sympathetic to the cause."
Like laserman?

"....I own one! ...hmmm....."
Yeah, but where is it?