Heh... long list. Maybe.
Shin Samurai Spirits (Samurai Shodown II)
Soul Calibur II, et al.
Street Fighter Alpha 2
X-Com: UFO Defense
X-Com: Terror From the Deep
Civilization III
Rogue Spear (LAN only, though)
Final Fantasy 6, 7, 8, 10 (didn't like 9)
Final Fantasy Tactics
Disgaea
Star Wars: Battlefront (might wear off soon, though)
Tekken 3 (best of the lot, afaic)
Rival Schools, Justice Gakuen 2
Legend of Zelda Ocarina of Time
Klonoa: Door to Phantomile
Dragon's Lair I & II (got these on DVD now)
That's all I can think of now....