Way too many to list off the top of my head but for the PSONE I have every RPG released in the US and 2 copies of some of the rarest ones, Suikoden II, Valkyrie Profile, SO:SSS, oh and they are ALL black label.
As for PS2 I have all of the big RPG's and the ones released from the companies I like the most, SE, Atlus, Tri-Ace.