neither, get the baseball teams slim fit hard case from gamestop
my girlfriend is a mets fan so i bought it for her and I must say I'm very impressed.
Even if you don't like baseball you can probably figure a way to print or draw your own design on the back of one of the 30 or so teams, every baseball team, included with the purchase.
I seriously recommend buying one. I'm a Marylander and so its better for me, but the orioles insert looks extremely nice on the black ds lite. It's just an orange oriole bird on a black background, very cool looking