i've been living in germany the past two years and am now in switzerland. the most single speed action is in the area of the street(mountain bike)/dirt jump scene. in bigger cities there are some fixie riders, but the trend is slowly invading. in some cities the police have even become wise to the illegal fixed action (in germany and switzerland you supposed to have lights and brakes and bells and whistles and what not on your bike). but its true almost all of the fixed riders are messengers. except me, i'm just an american hipster in europe.