Never played the Ps3, but if I had to choose between the Ps2 and Ps1, I'd go with the Ps1.
Jrpgs are my genre. The Ps1 had them. It also had Srpgs, which are my second favorite genre.
It also had Skullmonkeys:
lol I fucking love that game.
Quem disse que a boca é tua?
Qual é, Dadinho...?
Dadinho é o caralho! Meu nome agora é Zé Pequeno!