I know it is a little early to take about open water season, but there has been a new organization formed in the states that might interest a lot of the tournament and club walleye fisherman on the board.
I fish the Bass edition of it in the states and it is great allows you to work your way up and travel to fish different tournaments. There is a also great benefits with insurance and discounts on fishing supplies.
Check the link out
http://walleyefederation.com/