GameFAQs: Contains information and a message board.
GameSpot: Offers information, news, previews, screenshots, and movies.
GameSpy DS: Information and screenshots.
IGN: Offers news, screenshots, previews, and videos.
Nintendo DS Advanced: Preview, by John Swisshelm: "Puppy Times, while not everyone’s cup-o-tea, will surely please pet sim fans as well as gamers looking for something cute and different."