DS Daily: Pikachu Lite, we choose you? Or Brain Age DS?

It's another battle of the limited editions! If both the Pikachu oh-my-god-so-yellow-it-burns DS Lite and the Brain Age 2 black and red DS Lite were both in front of you, you had the money in your hand (and didn't need it for anything else!), and time to decide, which would you choose?