Quote Originally Posted by VeloZer0 View Post
The Disgaea 1 & 2 ports for PSP are awesome if you are into SRPGs.
The DS has a port of the first Disgaea as well, if it means anything.

Anyway, you have lots and lots of options, especially with the DS. My personal suggestion would be for Etrian Odyssey, but there's also a few Dragon Quest games and The World Ends With You and so on as well.