Ghibli plans to be part of the Japan International Expo, by designing and building a replica of the house from Totoro. The house, called "Satsuki and Mei's house", will show what life was like in rural Japan in the 1950s and early 1960s. Yomiuri has an article with some pictures here.
Wolf Children is honest about the gross reality of raising kids (and pets) while still leaving room for fantasy, which is really the only way a movie about single motherhood can work for a general family audience, as Wolf Children largely does.
Rarely before has an anime series so keenly and uncomfortably struck home about the humorous travails of a social misfit. Its triumph is in creating an anti-moe protagonist who paradoxically winds up being intensely moe, too.