Our buddy, Secular Apostate, posted this video. It should give you pause.
If what it says is true - that later sections of the Koran override earlier ones and that the calls for violence come in the later sections, then our perception of Islam is backwards. It's not that the violent Moslems are misreading the book, it's that the peaceful ones are.
Coming soon to my Audible.com - the Koran.