Before anything, check out Contra 4's KICK ASS website here!
Dude, Contra 4 tears it up, big time! I can't wait to play the whole game and beat it. Then play with my friends!
Bleach: The Blade of Fate is a great game for the DS too. The combo-by-tapping-lower-screen system works like a charm and it let's you enjoy the fireworks on screen. Pick this one up.