Generally I keep away from sensitive topics, but I'd like to say this. Muslims and terrorists are two completely different entities. It is rather unfortunate that people committing atrocities like this have given the peaceful people a bad name. No Muslim will ever condone an act such as this regardless of how badly they were wronged. And to those thinking that their Prophet would do such a thing or preach it, please get your story straight by actually looking into his life from a valid source. In his entire lifetime, never did the J word come up, and one of the most noble men I know, Gandhi, was actually inspired by this very prophet to take the non violence approach to attain freedom from oppression.
Where these monstors have succeeded completely is in making the life of all peaceful Muslims a living hell. Even from the most peaceful of the countries, currpot aristrocracies and leaderships have forced some of them to leave their home country and move to a country that values freedom and life. People trying to escape oppression and moving to the west now find themselves being hounded even worse, have to put up with their neighbors hating them for having moved into a neighborhood, under constant surveillence and first suspect in any criminal act such as this, just because the terrorists screamed a few arabic words when commiting the atrocity.
Like Kev said, it worked, they got what they wanted, part of which is to make life of Muslims so incredibly difficult anywhere in the world that they simply give up and live out a life stuck in a place they'd rather not be. They've succeeded in preventing peaceful Muslims from making a better life for themselves.
Rant over, sorry folks.