I missed Xenogears.
Passed it as another "733t billy bad ass ponytale aZn and robots fighting" game that was prevalent at the time, didn't even know it was a RPG.
Played it during 360/PS3 and it became my #1 favorite game bumping Final Fantasy II (IV) off the pedestal. Deepest most mind blowing story of any JRPG to date.
Which is cool because now I can genuinely affirm it's not nostalgia when I bring it up because I played it for the first time myself when it was already three generations old, confirming that old RPGs truly are timeless.