Try www.guycribb.com
Also check out the windsurfing forums, and ask there.
http://www.boards.co.uk/forum/default.asp
http://www.boardseekermag.com/forum/

Probably best to drag the kit off to a local spot you know a few windy`s sail, and ask for help.

Good luck with it, and don`t be intimidated by the level of skill you see others have, everyone was a beginner once.