EA announced the cover for the second expansion. If you can't wait to you may shorten your day with snippets about the new expansion. Gamepot has an interview with associate producer Grant Rodie and on youtube is a really nice teaser posted by EA.
I know it's not really The Sims 3 but I like mini games of all sorts and I just came across Sims Carnival, which offers a lot of those and you can even create your own mini games.