Okay disregard above.  Moving back to the actual topic thread - the SE.  When I turned the board on, nothing unusual happened.  I could hear the floppy power but it couldn't get to the ROM.  That's because the only obviously (and I stress that - obviously) damaged components are D1, Y1, the battery casing, and C12.  Those are all around the ROM and I choose to believe for the moment that that and some lingering acid/corrosion are the primary culprits.

So D1 is some sort of TSM chip... can that be replaced?  Will something like this do for Y1: http://www.amazon.com/32-768KHz-32-768k-Quartz-Crystal-Oscillator/dp/B00NQ8AU30/ref=sr_1_fkmr2_3?ie=UTF8&qid=1423992437&sr=8-3-fkmr2&keywords=piezoelectric+crystal+32.768+kHz? And how do I find just that one capacitor.  Sorry I'm reading our Classicmac2.pdf guide and I just genuinely don't understand.