There's a new game coming out for the PSP it's RPG/Raising digimon. Very similar to the first digimon world game I would assume. There's quite a selection of digimon as well
http://www.youtube.com/watch?feature=player_embedded&v=w9ju0cpsBKE
Here's the trailer Enjoy!
http://www.youtube.com/watch?feature=player_embedded&v=w9ju0cpsBKE
Here's the trailer Enjoy!