You better hook me up with a friend code when it comes out man.
Hell, I play it with wireless on and full brightness / power saving mode off and I still never ran out of battery. Granted, I don't play with it much.
Like Wyatt said, I'll probably start complaining about the battery once Animal Crossing comes out though. :/ I never had City Folk, but I did spend forever on Wild World.
You better hook me up with a friend code when it comes out man.