BUY IT NAO!!!!
If you have a PS2...seriously, though, it's only $30 new, and it came out last year, so it shouldn't be too hard to find. It has a good story, funny writing, a good battle system, and great hand-drawn backgrounds. On top of that, it has unique gameplay, as you are in a living, breathing world, where every person in town is recruitable if you catch them at the right time of day.
On top of that, it has 2 paths, so there's plenty of replay value

One of my favorite RPG's on PS2. Not better than Kingdom Hearts, but still good.