I posted 'Does anyone on here windsurf' a few months ago... you were one of the only ones to reply and it doesnt look like much has changed.
http://canreef.com/vbulletin/showthread.php?t=50932
However I did find a few sites that might help you out.
This looks like a pretty good shop, I bought some gear for myself off of these guys:
http://www.airtimeboardsports.com/ZenCart/
They have a link on this site to a local forum for windsurfers too where you might get a better response:
http://thewindsurfer.com/
I'm planning to take a lesson in Jericho later this summer:
http://www.windsure.com/index.html