I'm in the same position as you, but i have only the Xbox 360. And i am really interested in some PS3 games, like Atelier Totori (some say its much better than Atelier Rorona), Atelier Meruru, Tales of Xilia, Final Fantasy Versus (if it stay exclusive), but i'm not very secure with the idea of spending another 300eish euros on a new system, that play almost the same games as the one i already have.
So, my answer to you is, probably not. Stay with the one you have, unless you're unsatisfied with it.
But maybe its worthwhile to try games like, Lost Odyssey, Tales of Vesperia and Magna Carta 2 if your thing is jrpgs. And like others have said, if you like arcade games, go for it.







