The Nintendo DS is extremely popular due in part to it's great library of games. Many great IPs have also been started on the handheld. Hopefully Nintendo is hard at work bringing many of our Nintendo DS favorites back for an updated run on the new hardware.
Here's a list of games that I would love to see on the Nintendo 3DS:
New Advanced Wars
New Super Smash Bros.
New 3d Mario platformer
New 2d Mario platformer
New Wario Ware
New Donkey Kong Game
New Metroid Game
New Castlevania game
New Mario & Luigi game
Final Fantasy (New or port)
Grand Theft Auto (New or Port)
Luigi's Mansion (Sequel or port)
Silent Hill (New or SH:2 Port)
Assassins Creed (New or Port)
A few First Person shooters would be cool too. (Dimentium, CoD, Doom and[or] 007)
So those are some of the games that come to mind as games that I would love to see released sooner than later.
There's a few games in this list that will abviously be released, for the 3DS, at some point in it's life span (ie. Mario platformer, Warior ware, Castlevania, Final Fantasy, Donkey Kong, Metroid etc.).
What games would everyone else hope to see announced soon?