What about Star Ocean 2?
Threads of Fate?
Radiata Stories? (sp?)
Azure Dreams? (I think that's it... Psycho Mantis can read if you played it in MGS1, only reason i know about it)
Drakengard? (Drakengard is an RPG for the PS1, right?)

Note I have not played any of these games but I'm just trying to stir the pot some beyond the obvious choices.