I'm not really in the market for a handheld, but I bet I'd get the DS...
Animal Crossing? To steal Sabia's quote, "I'm all over that like a fat kid on smarties!"
Personally, I'm waiting with antici-pation for Dirge of Cerberus. (Or as a friend called it "Vincent May Cry") Put Vincent in something, and I have to have it NOW or you have to suffer massive Yomi wrath. He was obviously my favorite character in FFVII (screw Aeris in the eye, I was happy she died, but, the FF heroines always have something that annoys the living CRAP out of me), I always equipped him with the "Drain" matiera. My sexy little vampire...