Are all religions the same? Does it matter what you believe? Is it intolerant to believe there is only one way to ultimate truth? J.P. Moreland addresses these issues:
http://www.bethinking.org/spirituality/intermediate/how-do-we-know-christianity-is-right-out-of-all-the-religions.htm
Here Michael Ramsden tackles the same topic, expaining how the Christian message is unique in what it says and what it accomplishes:
http://www.rzim.org/let-my-people-think-broadcasts/one-god-many-paths/