Wario Land Shake It! is a great game, anyone with an interest in platformers should consider picking it up.
Dawn of Discovery has always been out of stock the few times I wanted to buy it. I'll get it eventually...
I'm not really into sports, so for a football game to interest me, it'd have to offer a twist. Academy of Champions sounds like a good idea on paper, but it would appear it wasn't executed well. I'll pass.
Animal Crossing IS the same game as before and the other two
I haven't played the others, but from what I read, it has quite a few new nifty features. I don't know what else you would expect from a SEQUEL to a game like Animal Crossing, other than building on what's there.