Come on guys. Don't be so mean to the person. Sure, there's a lot of people asking, but it's not this person's fault that it's an apparently easily overlooked sticky.
Btw, to be on topic. Acekard 2i, Supercard DSTWO and R4i are your best bets.
Acekard 2i and R4i
-Cheap
-Plays DS games and...