Anyone wanting something a little more thoughtful, a little deeper than what you find in most parenting magazines should check out Brain, Child. It is a great mix of essays, articles and commentary that really makes you think about the the exhilarating endeavor of raising children.
You may not always agree with the viewpoints -- I certainly don't -- but it's interesting to consider parenting topics through a variety of perspectives.
I gave subscriptions to several mom friends last year and they loved it, too.