Jeanne D'arc. Good story, it's the first srpg I actually loved.
Also, try Ys:Ark of Napishtim, game's amazing
Got Jeanne D'arc. Didn't like it at all. Not a fan of strategy RPG's.
Then try out Ys, it's fun
legend of heros
legend of heros 2
legend of heros 3
phantasy star portable
star ocean second evolution
crimsen gem saga
dragoneers aria (play with a psp2000, or 3000 and maybe pspgo only)
lunar silver star harmony (its not out yet but since its a remake of lunar silver star story complete its bound to be good)
brave story new traveler
Try looking for a copy of Breath of Fire III. I bought mine about 2 years ago via Amazon.com.uk but I've seen it lately on Amazon.com itself. Maybe give the Persona remake a try.