Multiball is going to be the deciding factor in what makes it onto the remake list, I reckon. Fathom and Centaur are the obvious ones, collector demand for these two are high. After that, I'd say the third contender would be Fireball II.

The Class of '81 may be beloved, but none of the multiball ones actually sold very well at the time leading to their high desirability now. Even with the later '83 run (and backbox nobody really likes), Centaur barely cracked a combined 5,000 initial units.

Can't they do both? Original mode and updated 2.0 mode in the same pin?
,