Pope Benedict is coming in for a lot of criticism at the moment, after the Congregation for the Doctrine of the Faith, under the leadership of Cardinal William Levada, issued a document today that provides further explanation of the teachings of Vatican II on the nature of the Church.
In basic terms, the document reaffirms what the Catholic Church has always taught - that the only true Christian faith is the Catholic faith. It shouldn't come as a surprise, this is something the Catholic church has always taught. You can follow the roots of the Catholic Church all the way back to Jesus Christ. All Protestant Churches are found by men. I pray that one day all Christians will be together, united, following the one true faith. But for that to happen a lot of people are going to have to swallow their pride and accept the fullness of the truth.
You can read more here, here and here.