For what it's worth, Xenogears vs. Baten Kaitos was the toughest match for me to decide. BK is a sentimental favorite of mine since it single-handedly got me back into gaming at a time when I thought I'd finally moved past games and that none of them would be worth my time ever again. That gave it the extra "boost" for me to put it over Xenogears. I could just as easily have picked Xenogears to make it as far as Valkyrie Profile, which is tied with Chrono Trigger for my favorite RPG ever.
Also, your real name is Jeff O'Connor? I swear I know someone with that name. You're not from California, are you?