tales of symphonia
arc rise fantasia
Muramasa: the Demon Blade
If you haven't played them, you should consider GC RPGs as well. Tales of Symphonia, both Baten Kaitos games (Origins especially), Paper Mario: TTYD.
Skies of Arcadia too I guess but I don't like it that much...
Very good suggestions, I played all those and enjoyed them very much! ESPECIALLY the bolded