HI Peter
in Germany we have the the PRO German Wakeboard tour all year...(I'm not on the tour just started , but I went to see a couple of events recently)
also this weekend you just missed the Cable Wakeboard world championship's in duisberg Germany.
usefull links
http://www.wakeboarder.de
(oficial German Wakeboard tour site)
http://www.wakeboard.it (details of italian wakeboard events)
http://www.eurowakeboardprotour.com (european pro tour open to all nationalities)
http://www.wakeboard.nu (lists some scandinavian wake events)
hope this gets you started
cheers
ED